什么是三单_百度知道英语动词的三单形式有那些?
RosE情义呩垽°
动词的第三人称单数形式（简称单三式）1．一般在词尾加“-s”help-helps make-makes ride-rides know-knows2．在s z x sh ch 结尾的词在词尾加“-es”push-pushes pass-passes watch-watches wash-washes3．以“元音字母＋y”结尾时,加“-s”；以“辅音字母＋y”结尾时,变 y为i,再加“-es”play-plays stay-stays study-studies carry-carries4．以“辅音字母＋o”结尾的词,多数在词尾加“-es”go-goes do-does5．be动词的单三式为is 6．have动词的单三式为has补充:不定式的省略:Wil you join us?你要同我们一道去吗?I should love to (join you).我愿意.The boy wanted to ride his bicycle in the street but his mother told him not to.那个男孩想要到街道上骑自行车,但是他的妈妈叫他不要去.Alice,why didn't you come yesterday?爱丽斯,你昨天为什么没来?I was going to,but I had an unexpected visitor.我本来是要来的,但是家里突然来了一个客人.
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过去式，现在式 将来式
be动词的单三式为is 过去式为was；have动词的单三式为has
扫描下载二维码三单是什么？用法是什么_百度知道英语中三单 动三单 or后是动三单还是动原_百度知道}