一、动词不定式
1.动词不定式作宾语。
1)在动词want ,hope,would like,decide,wish,
choose,try ,need等后常用动词不定式作宾语。
I hope ______(hear)from you soon .
2)think/find /feel /make it + adj + to do sth
He found it difficult _______(get) to sleep.
3).stop to do sth / stop doing sth
stop to do sth 停下来去做某事 stop doing sth 停止正在做的事。
After working for a long time , He has to stop _______(have ) a rest .
He was very tired , so he had to stop ______(work).
2.动词不定式作宾语补。
1).带to的不定式作宾补的动词有：ask / like /would like /teach /tell /want /help +sb +to do sth
Please ask him _________(come) quickly.
2).省掉to的不定式作宾补的动词有：let /make / hear /see /notice /have/watch+sb +do sth
注：省掉to的不定式的句子变被动语态时，需要还原to .
He made the baby _______(stop) crying .
