动词不定式的用法

很多同学对英语动词不定式的用法一直模糊不清，今天小编为大家把动词不定式的用法整理出来，供大家学习：

【速记口诀】

三个希望两答应，两个要求莫拒绝;

设法学会做决定，不要假装在选择。

【妙语诠释】三个希望两答应：hope，wish，want，agree，promise

两个要求莫拒绝：demand，ask，refuse

设法学会做决定：manage，learn，decide

不要假装在选择：petend，choose

一感，二听，三让，四看，半帮助

【妙语诠释】一感：feel;二听：hear，listento;三让：make，let，have;四看：see，notice，watch，ob-serve;半帮助：help。

练习：

1.They knew her very well.They had seen her ___ upfromchildhood.(1988全国)

A.grow B.grew C.was growing D.togrow

2.Theteacher asked us ___ so much noise.(2003北京)

A.dont makeB.not makeC.not making D.not to make

3.My advisor encouraged ___ asummercourse to improve my writing skills.(2004北京)

A.for me takingB.metaking C.for me to take D.me to take

4.The flu is believed ___byviruses that like to reproduce in the cells inside the humannoseand throat.(2004上海)

A.causing B.being caused C.to be causedD.tohave caused

5.-Is Bob still performing?-Im afraid not.He issaid___ the stage already as he has become anofficial.(2005江苏)

A.tohave center B.to leave C.to have been centerD.to be center

6.The motherfelt herself ___ cold and her handstrembled as she read the letterfrom the battlefield.(2006上海)

A.growB.grown C.to grow D.to havegrown

7.Energy drinks are not allowed ___in Australia but arebrought in from New Zealand.(2006上海)

A.to makeB.to be made C.tohave been made D.to be making

答案：1.A 2.D 3.D 4.C5.A 6.A 7.B

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