1.找出句子中的谓语动词 2.找出单三人称动词 3.找出2个用动词原形,为什么要用动词原形?

问题描述:

1.找出句子中的谓语动词 2.找出单三人称动词 3.找出2个用动词原形,为什么要用动词原形?
this letter is from sam.he is kagnkang's pen pal.he lives in england and speaks english.he daesn't speaks chinese,but he knows a lot about china.he wants to visit beijing.he can help kangkang with his english.

is,is,lives,speaks,doesn't,knows,wants,can help是谓语动词,其中,第三人称单数有is,is,lives,speaks,doesn't,knows,wants.因为前面的主语是第三人称单数,所以后面的谓语动词要用第三人称单数形式