关于情态动词的用法答:我们现在就开始吗?You must obey the school rules.你必须遵守校规。情态动词数量不多,但用途广泛,主要有下列:can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) .情态动词的位置:情态动词在句中放在谓语动词之前, 谓语动词前若有助动词,则在助...
非谓语动词的 用法答:动词不定式前有时可与疑问词连用,如:He gave us some advice on how to learn English. 他给了我们一些学英语的建议。4.作宾语补足语:在复合宾语中,动词不定式可充当宾语补足语,如下动词常跟这种复合宾语:want,wish,ask,tell,order,beg,permit,help,advise,persuade,allow,prepare,cause,force,call on,wait ...