冰风谷火
幼苗
共回答了21个问题采纳率:90.5% 举报
1.前面有情态动词must,should,can,will,might,may等,后面跟be构成谓语.eg:You must finish your homework
2.to 后面要跟动词原形,即所谓的动词不定时 .例如 want to do sth; like to do sth
eg:I want to have a picnic.
3.一般将来时中的will 或 shall后要加动词原形
eg:I will go to Beijing next Sunday.
4.省略了to的动词不定式,最常见的就是make sb do sth.
1年前
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