第2个回答 2013-05-09
你好 have to do 不得不做某事,to 为不定式,后接动词原形。
例:He has to wash his clothes this afternoon.
have/make/let sb/sth do 让某人或某物做某事, have 为使役动词,后接动词原形。
例:Our teacher often has/makes/lets us do much homework.
They always have the monkeys play with balls.
注意:在被动语态中,要改为to do 形式。
例:He is often made to cook supper.
have sth done 请或让某人(别人)做某事
例: The king had his tomb built .
I have already had my TV set repaired .
至于have sth to do,英语中没有这种用法。
祝你进步! 16