知道的单三英文

单三是指动词的第三人称单数，在一般现在时态，主语是第三人称单数的句子中，谓语动词要用单三形式，比如：He 【is】 a student. She 【plays】 basketball very well.祝你学习进步，更上一层楼！(*^__^*)

第三人称单数，当主语是他，她，它时，谓语用三单形式，加s 或es

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-knows 2．在s z x sh ch 结尾的词在词尾加“-es”push-pushes pass-passes watch-watches wash-washes 3．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-does 5．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.