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以once开头的句子谓语动词要用什么形式?
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一般可以用一般过去时e.g.He once knew her,but they are no longer friends.
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1.75亿学生的选择
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谓语动词在句首的形式用法有时候遇到谓语动词在句首,有的是原型,有的是在前加TO,有的是-ing形式,不知道这些的用法分别是什么?
◆ゝ躬稄﹏
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to是表目的用的,用ing的就是非谓语非谓语动词是指在句子中不是谓语的动词,主要包括不定式、动名词和分词（现在分词和过去分词）,即动词的非谓语形式.非谓语动词除了不能独立作谓语外,可以承担句子的任何成分.
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扫描下载二维码characteristics到底用单数还是复数，动名词放句首,谓语动词用单数还是复数
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关键字： characteristics 复数
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延伸：本文除了聚合《characteristics到底用单数还是复数》，免费提供的有关characteristics 复数和动名词放句首,谓语动词用单数还是复数的内容之一，已有不少的网友认为此答案对自己有帮助！获取更多与《》相关的知识。
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singinganddancing&is&oneofthemostimportantcharacte网友1的回答
determine用单数还是复数? 更多追问 本回答由提问翻译讲究简洁,现在还没有定论直接采用网友2的回答
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115761 人聚集在这个小组
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[高考英语语法]谓语动词用法讲解
时间： 09:16:09
来源：未知
作者：秩名
摘要:总述: 谓语动词的变化形式取决于时态和语态: 英语的时态有十六种, 中学英语中有十二种常见的时态; 语态有两种, 即主动语态和被动语态 1.在主动语态...
　　总述: 谓语动词的变化形式取决于时态和语态: 英语的时态有十六种, 中学英语中有十二种常见的时态; 语态有两种, 即主动语态和被动语态
　　1.在主动语态中, 各种时态的谓语动词的一般形式如下:
　　一般进行完成完成进行
　　现在do / doesam / is / are doinghave / has donehave / has been doing
　　过去didwas / were doinghad donehad been doing
　　将来shall / will doshall / will be doingshall / will have doneX
　　如果谓语是be动词, 则可用be动词的适当形式( be / am / is / are / was / were / been)代替以上表格中的黑体字部分. 此外, 过去将来时的形式是: should / would do或should / would be
　　2.在被动语态中, 各种时态的谓语动词的一般形式如下:
　　一般进行完成完成进行
　　现在am / is / are doneam / is / are being donehave / has been doneX
　　过去was / were donewas / were being donehad been doneX
　　将来shall / will be doneXshall / will have been doneX
　　另外, 过去将来时的被动语态形式是should / would be done
　　主动语态
　　在主动语态中, 高中英语中常见的有十二个时态
　　一.一般现在时:
　　1.构成: 通常以动词原形表示. 主语为第三人称单数时, 则用动词的第三人称单数形式来表示
　　2.用法:
　　①.表示现状, 性质, 状态, 经常的或习惯性的动作
　　a. It is fine today.
　　b. I am a student.
　　c. I get up at six every day.
　　d. My fath he walks to his office.
　　②.表示客观事实或普遍真理
　　a. Japan is to the east of China.
　　b. The sun rises in the east.
　　c. A horse is a useful animal.
　　③.表示将来确定会发生的动作(如己安排好或计划好的动作或按时刻表将来一定会发生的动作), 可以这样使用的动词有: go, come, leave, start, arrive等
　　a. My train leaves at 6:30.
　　b. The football match is played the day after tomorrow.
　　④.在时间和条件状语从句中可用一般现在时动词代替一般将来时动词
　　a. I will let you know as soon as I hear from him.
　　b. We will go if it is fine tomorrow.
　　c. I will be away when he arrives.
　　d. We shall not begin the discussion until he arrives.
　　e. Mother, I won&t go out unless you agree.
　　f. Don&t try to run before you begin to walk.
　　⑤.在某些以here / there开头的句子中用一般现在时动词表示现在正在发生的动作
　　a. Here comes the bus.=The bus is coming.
　　b. There goes the bell.
　　⑥.在体育比赛过程中, 解说员叙述迅速, 短暂动作时, 可用一般现在时, 表示正在进行的或刚刚发生的动作#p#分页标题#e#
　　a. Ma Lianbao passes the ball to Mu Tiezhu, Mu shoots & a fine shot !
　　⑦.在剧本或图片的说明文字中, 用一般现在时表示动作
　　a. When the curtain rises, Juliet is sitting at her desk. The phone rings. She picks it up and listens quietly.
　　二.现在进行时:
　　1.构成: am / is / are doing
　　2.用法:
　　①.表示说话时正在进行着的动作, 或现阶段正在进行而说话时不一定正在进行的动作
　　a. I am writing a letter.
　　b. My mother is making a dress these few days.
　　②.表示即将发生的动作(如在最近按计划或安排好要进行的动作), 常见的有这种用法的动词有: come /go / leave / start / arrive等, 常与表示将来时间的状语连用
　　a. They are going to Shanghai on Friday.
　　b. John is coming here next week.
　　③.现在进行时动词与always, continually, constantly等连用, 表示反复出现的或习惯性的动作
　　a. The little boy is always asking questions.
　　b. You are always saying that sort of thing.
　　④.在一定的上下文中, 前一句用一般现在时动词表述现在发生的事实, 后一句用现在进行时动词来阐述这一事实的原因, 结果, 目的等
　　a. He frowns. He is worrying about his boy.他皱着眉头, 因为他在为他的孩子担心. (is worrying表示原因)
　　b. She criticizes him. She is trying to correct his wrong habits. 她批评他, 想纠正他的坏习惯. (is trying表示目的)
　　c. She lets her child have his own way. She is spoiling him. 她不管她的孩子, 把他惯坏了. ( is spoiling表示结果)
　　⑤.不表示持续的行为, 而表示知觉, 感觉, 看法, 认识, 感情, 愿望或某种状态的动词通常不用现在进行时, 如: see, hear, smell, taste, recognize, notice, forget, remember, understand, know, believe, suppose, mean, think, love, hate, care, like, dislike, worry, forgive, want, wish, hope, refuse, feel like, belong to , possess, own, have, be, seem等
三.现在完成时:
　　1.构成: have / has done
　　2.用法:
　　①.表示动作在说话之前己经完成, 而后果或影响至今仍存在
　　a. He has gone to Shanghai. ( =He went to Shanghai and he is not here now. )
　　b. I have opened the window. ( =I opened the window and the window is now open.)
　　c. The concert has started. ( =The concert started and is now going on. )
　　d. I have had breakfast. (=I had breakfast and I am not hungry now. )
　　②.表示开始于过去, 持续到现在(也许还会继续进行下去)的动作或状态, 用于延续性动词, 且句中常带有表示段时间的时间状语
　　a. I have studied English since 1987.
　　b. He has lived here for two years.#p#分页标题#e#
　　c. He has been ill for ten days.
　　3.现在完成时与一般过去时的区别:
　　①.现在完成时和一般过去时所表示的动作都发生在过去, 但前者将过去的动作与现在的结果或对现在的影响联系起来, 而后者只限于表示过去的动作本身, 与现在无关
　　②.现在完成时不能与表明确时间的状语如: yesterday, last year, two days ago, when I came in等连用, 但可与表示不明确时间的状语如: already, yet, sometimes, often, before, lately, recently, once, twice, ever等连用, 也可以和包括现在在内的时间状语如: this morning, today, this week, this year等连用
　　a. She has already come.
　　b. I have met him before.
　　c. Ma Hong has always been a good student.
　　d. Have you ever been to the Great Wall ?
　　e. I have seen him this morning.
　　四.现在完成进行时:
　　1.构成: have / has been doing
　　2.特征: 现在完成进行时兼有现在完成时和现在进行时两者的特点
　　①.它具有现在完成时的特点, 即表示动作发生在过去, 延续到现在或对现在产生影响
　　②.它具有现在进行时的特点, 即可以表示此动作仍在进行或还会继续
　　a. Mr. Smith has taught English for twenty years. ( 至今为止教过二十年英语, 至于teach是否结束或是否延续, 不得而知)
　　b. Mr. Smith has been teaching English for twenty years.( 现在仍在教英语,而且将持续下去)
　　3.用法:
　　①.表示现在之前的一段时间里一直进行的动作, 此动可能仍在进行, 也可能刚刚停止
　　a. I have been reading the book all the morning.
　　b. He has been staying here for two hours.
　　c. I have been living in Beijing since 1972.
　　②.表示现在之前的一段时间里一再重复的动作
　　a. I have been calling you several times in the past two days.
　　4.现在完成时与现在完成进行时的区别: 前者着重表示过去动作对现在的影响或结果; 后者着重表示过去动作的持续进行
　　a. I have written six letters since I got back.我己经写了六封信 (强调结果)
　　b. I have been writing letter since I got back. 我回家后一直在写信 (强调&一直在写&)
　　c. I have read this book.我读过这本书了(强调&读过&这一结果)
　　d. I have been reading this book.我一直在读这本书 (强调&一直在读&)
五.一般过去时:
　　1.构成: 用动词的过去式表示
　　2.用法:
　　①.表示过去某一时刻或某一段时间内发生的动作或情况, 其中包括习惯性动作
　　a. I met him yesterday.
　　b. I used to go to school early every morning.
#p#分页标题#e#
　　c. He entered the classroom, sat down at his desk and began to work.
　　d. Last night, I listened to the radio for two hours and went to bed at midnight.
　　②.在时间, 条件状语从句中用一般过去时代替过去将来时
　　a. Helen had left her keys in the office so she had to wait until her husband came home.
　　③.用一般过去时的句子一般有过去的时间状语, 有时也用地点状语暗示动作的发生是在过去
　　a. Have you seen a pen ? I left it here this morning.
　　六.过去进行时:
　　1.构成: was / were doing
　　2.用法:
　　①.表示过去某一时刻正在进行或一段时间内一直在进行的动作或情况
　　a. This time yesterday we were having an important meeting.
　　b. A year ago we were living in Shanghai.
　　②.过去进行时常与always, continually, frequently等词连用, 表示过去经常发生或反复发生的情况
　　a. The old man was always losing his way.
　　b. The two brothers were frequently quarrelling.
　　③.表示过去将要发生的动作, 这一用法仅限于一些表示位置转移的动词, 如: go, come, start, stay, leave等
　　④.过去进行时经常与一般过去时配合使用, 过去进行时表示过去的时间背景
　　a. The teacher was giving us a lesson when Tom walked into the room.
　　七.过去完成时:
　　1.构成: had done
　　2.用法:
　　①.表示过去某时间或动作以前己经完成的动作或己存在的状态, 即&过去的过去&
　　a. When all his money had gone, Marx had to leave his house in London.
　　b. Marx had learned some English before he got to England.
　　c. He said he had never been to Shanghai.
　　d. By the middle of last month I had lived in Beijing for five years.
　　②.在带有after / before引导的时间状语的句子中, 由于after / before本身的词义己经表明了时间的先后, 所以这类句子中常用一般过去时代替过去完成时
　　a. We left the house before it began to rain.
　　b. I didn&t wait long before he came.
　　c. After we finished the tea, we all sat on the grass.
　　d. After he arrived in England, Marx worked hard to improve his English.
　　总述: 谓语动词的变化形式取决于时态和语态: 英语的时态有十六种, 中学英语中有十二种常见的时态; 语态有两种, 即主动语态和被动语态
　　1.在主动语态中, 各种时态的谓语动词的一般形式如下:
　　一般进行完成完成进行
　　现在do / doesam / is / are doinghave / has donehave / has been doing
　　过去didwas / were doinghad donehad been doing
　　将来shall / will doshall / will be doingshall / will have doneX#p#分页标题#e#
　　如果谓语是be动词, 则可用be动词的适当形式( be / am / is / are / was / were / been)代替以上表格中的黑体字部分. 此外, 过去将来时的形式是: should / would do或should / would be
　　2.在被动语态中, 各种时态的谓语动词的一般形式如下:
　　一般进行完成完成进行
　　现在am / is / are doneam / is / are being donehave / has been doneX
　　过去was / were donewas / were being donehad been doneX
　　将来shall / will be doneXshall / will have been doneX
　　另外, 过去将来时的被动语态形式是should / would be done
　　主动语态
　　在主动语态中, 高中英语中常见的有十二个时态
　　一.一般现在时:
　　1.构成: 通常以动词原形表示. 主语为第三人称单数时, 则用动词的第三人称单数形式来表示
　　2.用法:
　　①.表示现状, 性质, 状态, 经常的或习惯性的动作
　　a. It is fine today.
　　b. I am a student.
　　c. I get up at six every day.
　　d. My fath he walks to his office.
　　②.表示客观事实或普遍真理
　　a. Japan is to the east of China.
　　b. The sun rises in the east.
　　c. A horse is a useful animal.
　　③.表示将来确定会发生的动作(如己安排好或计划好的动作或按时刻表将来一定会发生的动作), 可以这样使用的动词有: go, come, leave, start, arrive等
　　a. My train leaves at 6:30.
　　b. The football match is played the day after tomorrow.
　　④.在时间和条件状语从句中可用一般现在时动词代替一般将来时动词
　　a. I will let you know as soon as I hear from him.
　　b. We will go if it is fine tomorrow.
　　c. I will be away when he arrives.
　　d. We shall not begin the discussion until he arrives.
　　e. Mother, I won&t go out unless you agree.
　　f. Don&t try to run before you begin to walk.
　　⑤.在某些以here / there开头的句子中用一般现在时动词表示现在正在发生的动作
　　a. Here comes the bus.=The bus is coming.
　　b. There goes the bell.
　　⑥.在体育比赛过程中, 解说员叙述迅速, 短暂动作时, 可用一般现在时, 表示正在进行的或刚刚发生的动作
　　a. Ma Lianbao passes the ball to Mu Tiezhu, Mu shoots & a fine shot !
　　⑦.在剧本或图片的说明文字中, 用一般现在时表示动作
　　a. When the curtain rises, Juliet is sitting at her desk. The phone rings. She picks it up and listens quietly.
　　二.现在进行时:
　　1.构成: am / is / are doing
　　2.用法:
　　①.表示说话时正在进行着的动作, 或现阶段正在进行而说话时不一定正在进行的动作#p#分页标题#e#
　　a. I am writing a letter.
　　b. My mother is making a dress these few days.
　　②.表示即将发生的动作(如在最近按计划或安排好要进行的动作), 常见的有这种用法的动词有: come /go / leave / start / arrive等, 常与表示将来时间的状语连用
　　a. They are going to Shanghai on Friday.
　　b. John is coming here next week.
　　③.现在进行时动词与always, continually, constantly等连用, 表示反复出现的或习惯性的动作
　　a. The little boy is always asking questions.
　　b. You are always saying that sort of thing.
　　④.在一定的上下文中, 前一句用一般现在时动词表述现在发生的事实, 后一句用现在进行时动词来阐述这一事实的原因, 结果, 目的等
　　a. He frowns. He is worrying about his boy.他皱着眉头, 因为他在为他的孩子担心. (is worrying表示原因)
　　b. She criticizes him. She is trying to correct his wrong habits. 她批评他, 想纠正他的坏习惯. (is trying表示目的)
　　c. She lets her child have his own way. She is spoiling him. 她不管她的孩子, 把他惯坏了. ( is spoiling表示结果)
　　⑤.不表示持续的行为, 而表示知觉, 感觉, 看法, 认识, 感情, 愿望或某种状态的动词通常不用现在进行时, 如: see, hear, smell, taste, recognize, notice, forget, remember, understand, know, believe, suppose, mean, think, love, hate, care, like, dislike, worry, forgive, want, wish, hope, refuse, feel like, belong to , possess, own, have, be, seem等
三.现在完成时:
　　1.构成: have / has done
　　2.用法:
　　①.表示动作在说话之前己经完成, 而后果或影响至今仍存在
　　a. He has gone to Shanghai. ( =He went to Shanghai and he is not here now. )
　　b. I have opened the window. ( =I opened the window and the window is now open.)
　　c. The concert has started. ( =The concert started and is now going on. )
　　d. I have had breakfast. (=I had breakfast and I am not hungry now. )
　　②.表示开始于过去, 持续到现在(也许还会继续进行下去)的动作或状态, 用于延续性动词, 且句中常带有表示段时间的时间状语
　　a. I have studied English since 1987.
　　b. He has lived here for two years.
　　c. He has been ill for ten days.
　　3.现在完成时与一般过去时的区别:
　　①.现在完成时和一般过去时所表示的动作都发生在过去, 但前者将过去的动作与现在的结果或对现在的影响联系起来, 而后者只限于表示过去的动作本身, 与现在无关
　　②.现在完成时不能与表明确时间的状语如: yesterday, last year, two days ago, when I came in等连用, 但可与表示不明确时间的状语如: already, yet, sometimes, often, before, lately, recently, once, twice, ever等连用, 也可以和包括现在在内的时间状语如: this morning, today, this week, this year等连用#p#分页标题#e#
　　a. She has already come.
　　b. I have met him before.
　　c. Ma Hong has always been a good student.
　　d. Have you ever been to the Great Wall ?
　　e. I have seen him this morning.
　　四.现在完成进行时:
　　1.构成: have / has been doing
　　2.特征: 现在完成进行时兼有现在完成时和现在进行时两者的特点
　　①.它具有现在完成时的特点, 即表示动作发生在过去, 延续到现在或对现在产生影响
　　②.它具有现在进行时的特点, 即可以表示此动作仍在进行或还会继续
　　a. Mr. Smith has taught English for twenty years. ( 至今为止教过二十年英语, 至于teach是否结束或是否延续, 不得而知)
　　b. Mr. Smith has been teaching English for twenty years.( 现在仍在教英语,而且将持续下去)
　　3.用法:
　　①.表示现在之前的一段时间里一直进行的动作, 此动可能仍在进行, 也可能刚刚停止
　　a. I have been reading the book all the morning.
　　b. He has been staying here for two hours.
　　c. I have been living in Beijing since 1972.
　　②.表示现在之前的一段时间里一再重复的动作
　　a. I have been calling you several times in the past two days.
　　4.现在完成时与现在完成进行时的区别: 前者着重表示过去动作对现在的影响或结果; 后者着重表示过去动作的持续进行
　　a. I have written six letters since I got back.我己经写了六封信 (强调结果)
　　b. I have been writing letter since I got back. 我回家后一直在写信 (强调&一直在写&)
　　c. I have read this book.我读过这本书了(强调&读过&这一结果)
　　d. I have been reading this book.我一直在读这本书 (强调&一直在读&)
五.一般过去时:
　　1.构成: 用动词的过去式表示
　　2.用法:
　　①.表示过去某一时刻或某一段时间内发生的动作或情况, 其中包括习惯性动作
　　a. I met him yesterday.
　　b. I used to go to school early every morning.
　　c. He entered the classroom, sat down at his desk and began to work.
　　d. Last night, I listened to the radio for two hours and went to bed at midnight.
　　②.在时间, 条件状语从句中用一般过去时代替过去将来时
　　a. Helen had left her keys in the office so she had to wait until her husband came home.
　　③.用一般过去时的句子一般有过去的时间状语, 有时也用地点状语暗示动作的发生是在过去
　　a. Have you seen a pen ? I left it here this morning.
　　六.过去进行时:
　　1.构成: was / were doing
　　2.用法:
　　①.表示过去某一时刻正在进行或一段时间内一直在进行的动作或情况#p#分页标题#e#
　　a. This time yesterday we were having an important meeting.
　　b. A year ago we were living in Shanghai.
　　②.过去进行时常与always, continually, frequently等词连用, 表示过去经常发生或反复发生的情况
　　a. The old man was always losing his way.
　　b. The two brothers were frequently quarrelling.
　　③.表示过去将要发生的动作, 这一用法仅限于一些表示位置转移的动词, 如: go, come, start, stay, leave等
　　④.过去进行时经常与一般过去时配合使用, 过去进行时表示过去的时间背景
　　a. The teacher was giving us a lesson when Tom walked into the room.
　　七.过去完成时:
　　1.构成: had done
　　2.用法:
　　①.表示过去某时间或动作以前己经完成的动作或己存在的状态, 即&过去的过去&
　　a. When all his money had gone, Marx had to leave his house in London.
　　b. Marx had learned some English before he got to England.
　　c. He said he had never been to Shanghai.
　　d. By the middle of last month I had lived in Beijing for five years.
　　②.在带有after / before引导的时间状语的句子中, 由于after / before本身的词义己经表明了时间的先后, 所以这类句子中常用一般过去时代替过去完成时
　　a. We left the house before it began to rain.
　　b. I didn&t wait long before he came.
　　c. After we finished the tea, we all sat on the grass.
　　d. After he arrived in England, Marx worked hard to improve his English.
　　八.过去完成进行时:
　　1.构成: had been doing
　　2.用法: 表示一直持续进行到过去某一时刻的动作, 该动作可能刚刚结束, 也可能还在进行
　　a. I had been waiting for two hours before the manager came down to see me.
　　b. By the end of 1998 he had been learning English for five years.
　　九.一般将来时: 一般将来时有以下几种表现形式
　　1.shall / will do (shall用于第一人称), 此结构表示单纯的将来, 不涉及主语的主观意愿
　　a. I shall be twenty years old next year.
　　b. You will meet him at the station this afternoon.
　　c. The train will arrive soon.
　　2.be going to do sth, 此结构表示打算最近或将来要做某事, 或说话人根据己有迹象认为非常可能即将发生的事
　　a. I am going to meet Tom at the station at six.
　　b. He is going to stay here for a week.
　　c. Look at these black clouds --- it is going to rain.
　　d. I am afraid I am going to have a bad cold.
　　3.be +动词不定式, 此结构表示职责, 义务, 意图, 约定, 可能性等
　　a. You are to be back by 10 o&clock.
　　b. There is to be a sports meet next week.#p#分页标题#e#
　　c. We are to meet at the school gate.
　　4.be about to do sth, 此结构表示&立刻, 马上&要做某事或发生某情况
　　a. We are about to leave.
　　b. Autumn harvest is about to start.
　　十.将来进行时:
　　1.构成: shall / will be doing
　　2.用法:
　　①.表示将来某时间点或时间段内将在进行的动作
　　a. This time tomorrow we will be talking with the boss about this matter.
　　b. I will be studying in this university for the next four years.
　　②.表示说话人感到某事即将发生或预计要发生某事
　　a. I will be seeing him next month.
　　b. We will be taking our holiday at the seaside in July.
　　c. He will be arriving at six tomorrow morning.
　　十一.将来完成时:
　　1.构成: shall / will have done
　　2.用法: 表示在将来的某一时刻之前将要完成的动作, 这一动作也可能继续进行
　　a. By seven o&clock this afternoon we shall have arrived in Shanghai if the train keeps good line.
　　b. Before noon we will have completed this work.
　　十二.过去将来时:
　　1.构成:
　　①.should / would do
　　a. He said he would go to Shanghai for the holiday.
　　b. He told me that I should succeed.
　　②.was / were going to do
　　a. They were going to have a meeting.
　　b. The students were going to plant some trees around the playground.
　　③.was / were (about) to do
　　a. We were to finish the work in three days.
　　b. I was about to go out when a friend dropped in.
　　2.用法: 过去将来时表示相对过去某一时刻来说将要发生的动作或呈现的状态, 以上各形式的具体用法与一般将来时各形式的用法相似
　　一.被动语态的构成: 见&总述&部分
　　特别说明: 将来进行时和各种完成进行时态没有被动语态形式
　　带有情态动词的被动语态的构成: 情态动词 + be +过去分词
　　a. The work must be done right now.
　　b. That prisoner may be sentenced to death.
　　二.用法: 被动语态主要用于
　　1.不知道谁是动作的执行者时, 用被动语态
　　a. His bike has been stolen.
　　b. This window was broken last night.
　　2.没有必要或不想指出谁是动作的执行者时, 用被动语态
　　a. China was liberated in 1949.
　　b. I was told you were late this morning.
　　3.强调或突出动作的承受者时, 用被动语态
　　a. The plan has already been made.
　　b. Yao Ming was elected MVP of the last week.
　　三.主动句变被动句:
　　1.主动句中的宾语转换成被动句的主语, 时态不变#p#分页标题#e#
　　a. The manager gave me ten minutes to decide whether I should accept the offer.
　　&I was given ten minutes to decide whether I should accept the offer.
　　2.带有宾语从句的主动句变被动句时, 宾语从句变成主语从句, 通常不位于句首, 句首用形式主语it
　　a. We can learn from the text that delicious apples are big.
　　&It can be learned from the text that delicious apples are big.
　　3.带有双宾语的主动句变被动句时, 将直接宾语或间接宾语变成被动句的主语都可
　　a. My brother gave me a birthday present.
　　&I was given a birthday present. / A birthday present was given to me.
　　4.带有复合宾语 (即宾语+宾补) 的主动句变被动句时, 宾补的形式一般不变, 只是名称变成了主补, 但当宾补是不带to的不定式时, 要变成带to的不定式
　　a. I saw him play near the river. He was seen to play near the river.
　　5.含有短语动词的主动句变成被动句时, 不要遗漏短语动词中的介词或副词
　　a. The children must be taken good care of. / Good care must be taken of the children.
　　四.应注意的问题:
　　1.&be+过去分词&不一定是被动语态, 也可能是系表结构
　　a. The children were excited at the news.
　　b. We are interested in the English novel.
　　c. The mother was worried about her son&s absence.
　　2.有些动词形式上用主动语态时含有被动意思
　　a. This book sells well.这本书很畅销
　　b. This kind of cloth washed very well.这种布很耐洗
　　c. This pen writes quite smoothly.这支笔很好使
　　d. This dish tastes good.这道菜味道不错
　　e. This kind of cloth feels smooth and soft.这料子摸起光滑柔软
　　3.不是所有的及物动词都有被动语态, 某些表示状态或关系的动词或短语动词只有主动语态, 而无相对应的被动语态. 常见的这类动词有: cost花费, fit适合, have有, hold容纳, lack缺乏, own拥有, suit适合, fail失败, belong to属于, agree with同意
　　&I was given ten minutes to decide whether I should accept the offer.
　　2.带有宾语从句的主动句变被动句时, 宾语从句变成主语从句, 通常不位于句首, 句首用形式主语it
　　a. We can learn from the text that delicious apples are big.
　　&It can be learned from the text that delicious apples are big.
　　3.带有双宾语的主动句变被动句时, 将直接宾语或间接宾语变成被动句的主语都可
　　a. My brother gave me a birthday present.
　　&I was given a birthday present. / A birthday present was given to me.
　　4.带有复合宾语 (即宾语+宾补) 的主动句变被动句时, 宾补的形式一般不变, 只是名称变成了主补, 但当宾补是不带to的不定式时, 要变成带to的不定式#p#分页标题#e#
　　a. I saw him play near the river. He was seen to play near the river.
　　5.含有短语动词的主动句变成被动句时, 不要遗漏短语动词中的介词或副词
　　a. The children must be taken good care of. / Good care must be taken of the children.
1.构成: had been doing
　　2.用法: 表示一直持续进行到过去某一时刻的动作, 该动作可能刚刚结束, 也可能还在进行
　　a. I had been waiting for two hours before the manager came down to see me.
　　b. By the end of 1998 he had been learning English for five years.
　　九.一般将来时: 一般将来时有以下几种表现形式
　　1.shall / will do (shall用于第一人称), 此结构表示单纯的将来, 不涉及主语的主观意愿
　　a. I shall be twenty years old next year.
　　b. You will meet him at the station this afternoon.
　　c. The train will arrive soon.
　　2.be going to do sth, 此结构表示打算最近或将来要做某事, 或说话人根据己有迹象认为非常可能即将发生的事
　　a. I am going to meet Tom at the station at six.
　　b. He is going to stay here for a week.
　　c. Look at these black clouds --- it is going to rain.
　　d. I am afraid I am going to have a bad cold.
　　3.be +动词不定式, 此结构表示职责, 义务, 意图, 约定, 可能性等
　　a. You are to be back by 10 o&clock.
　　b. There is to be a sports meet next week.
　　c. We are to meet at the school gate.
　　4.be about to do sth, 此结构表示&立刻, 马上&要做某事或发生某情况
　　a. We are about to leave.
　　b. Autumn harvest is about to start.
　　十.将来进行时:
　　1.构成: shall / will be doing
　　2.用法:
　　①.表示将来某时间点或时间段内将在进行的动作
　　a. This time tomorrow we will be talking with the boss about this matter.
　　b. I will be studying in this university for the next four years.
　　②.表示说话人感到某事即将发生或预计要发生某事
　　a. I will be seeing him next month.
　　b. We will be taking our holiday at the seaside in July.
　　c. He will be arriving at six tomorrow morning.
　　十一.将来完成时:
　　1.构成: shall / will have done
　　2.用法: 表示在将来的某一时刻之前将要完成的动作, 这一动作也可能继续进行
　　a. By seven o&clock this afternoon we shall have arrived in Shanghai if the train keeps good line.
　　b. Before noon we will have completed this work.
　　十二.过去将来时:
　　1.构成:
　　①.should / would do
　　a. He said he would go to Shanghai for the holiday.
#p#分页标题#e#
　　b. He told me that I should succeed.
　　②.was / were going to do
　　a. They were going to have a meeting.
　　b. The students were going to plant some trees around the playground.
　　③.was / were (about) to do
　　a. We were to finish the work in three days.
　　b. I was about to go out when a friend dropped in.
　　2.用法: 过去将来时表示相对过去某一时刻来说将要发生的动作或呈现的状态, 以上各形式的具体用法与一般将来时各形式的用法相似
　　一.被动语态的构成: 见&总述&部分
　　特别说明: 将来进行时和各种完成进行时态没有被动语态形式
　　带有情态动词的被动语态的构成: 情态动词 + be +过去分词
　　a. The work must be done right now.
　　b. That prisoner may be sentenced to death.
　　二.用法: 被动语态主要用于
　　1.不知道谁是动作的执行者时, 用被动语态
　　a. His bike has been stolen.
　　b. This window was broken last night.
　　2.没有必要或不想指出谁是动作的执行者时, 用被动语态
　　a. China was liberated in 1949.
　　b. I was told you were late this morning.
　　3.强调或突出动作的承受者时, 用被动语态
　　a. The plan has already been made.
　　b. Yao Ming was elected MVP of the last week.
　　三.主动句变被动句:
　　1.主动句中的宾语转换成被动句的主语, 时态不变
　　a. The manager gave me ten minutes to decide whether I should accept the offer.
　　&I was given ten minutes to decide whether I should accept the offer.
　　2.带有宾语从句的主动句变被动句时, 宾语从句变成主语从句, 通常不位于句首, 句首用形式主语it
　　a. We can learn from the text that delicious apples are big.
　　&It can be learned from the text that delicious apples are big.
　　3.带有双宾语的主动句变被动句时, 将直接宾语或间接宾语变成被动句的主语都可
　　a. My brother gave me a birthday present.
　　&I was given a birthday present. / A birthday present was given to me.
　　4.带有复合宾语 (即宾语+宾补) 的主动句变被动句时, 宾补的形式一般不变, 只是名称变成了主补, 但当宾补是不带to的不定式时, 要变成带to的不定式
　　a. I saw him play near the river. He was seen to play near the river.
　　5.含有短语动词的主动句变成被动句时, 不要遗漏短语动词中的介词或副词
　　a. The children must be taken good care of. / Good care must be taken of the children.
　　四.应注意的问题:
　　1.&be+过去分词&不一定是被动语态, 也可能是系表结构#p#分页标题#e#
　　a. The children were excited at the news.
　　b. We are interested in the English novel.
　　c. The mother was worried about her son&s absence.
　　2.有些动词形式上用主动语态时含有被动意思
　　a. This book sells well.这本书很畅销
　　b. This kind of cloth washed very well.这种布很耐洗
　　c. This pen writes quite smoothly.这支笔很好使
　　d. This dish tastes good.这道菜味道不错
　　e. This kind of cloth feels smooth and soft.这料子摸起光滑柔软
　　3.不是所有的及物动词都有被动语态, 某些表示状态或关系的动词或短语动词只有主动语态, 而无相对应的被动语态. 常见的这类动词有: cost花费, fit适合, have有, hold容纳, lack缺乏, own拥有, suit适合, fail失败, belong to属于, agree with同意
　　&I was given ten minutes to decide whether I should accept the offer.
　　2.带有宾语从句的主动句变被动句时, 宾语从句变成主语从句, 通常不位于句首, 句首用形式主语it
　　a. We can learn from the text that delicious apples are big.
　　&It can be learned from the text that delicious apples are big.
　　3.带有双宾语的主动句变被动句时, 将直接宾语或间接宾语变成被动句的主语都可
　　a. My brother gave me a birthday present.
　　&I was given a birthday present. / A birthday present was given to me.
　　4.带有复合宾语 (即宾语+宾补) 的主动句变被动句时, 宾补的形式一般不变, 只是名称变成了主补, 但当宾补是不带to的不定式时, 要变成带to的不定式
　　a. I saw him play near the river. He was seen to play near the river.
　　5.含有短语动词的主动句变成被动句时, 不要遗漏短语动词中的介词或副词
　　a. The children must be taken good care of. / Good care must be taken of the children.
（责任编辑：贾志超）
康文岗| 专家教师
辅导科目： 初中英语
饶宇| 专家教师
辅导科目：初中英语
井萍| 专家教师
辅导科目：初中语文
涂健| 专家教师
辅导科目： 高中数学
张玉新| 专家教师
辅导科目：高中化学
耿国庆| 专家教师
辅导科目：高中物理
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