一.不定式: 一)不定式的常考形式: 1) 被动形式: He preferred to be assigned some heavier work to do.
2) 被动形式:The book is said to have been translated into many languages.
1)不定式做定语----将要发生 2)不定式做状语----目的 3)不定式充当名词功能---To see is to believe.
+ do 表示动作的完整性,真实性; + doing I saw him work in the garden yesterday. 昨天我看见他在花园里干活了。(强调"我看见了"这个事实) I saw him working in the garden yesterday. 昨天我见他正在花园里干活。(强调"我见他正干活"这个动作) v
I ‘d like to have John do it. I have my package weighed. Paul doesn’t have to be made to learn.
四)有些动词后只跟不定式如: want,wish,hope,manage,promise,refuse,pretend,plan, offer,decide,agree,expect force sb to do. be more likely to do be
五) 有的时候to后面要接-ing形式 accustom (oneself) to; be accustomed to; face up to; in addition to; look forward to; object to; be reduced to; resign oneself to; be resigned to; resort to; sink to; be used to; be alternative to; be close/closeness to; be dedication/dedicated to; be opposition/opposed to; be similarity/similar to. 三、need/want 后的-ing形式具有被动的意思。其中,want不太常用。 He needs (a lot of) encouraging. |
责任编辑:sealion1986