不定式的常考形式:作定语,作状语
1、作状语表目的 To become a teacher, you must have a master degree.
2、定语表示将要做,分词作定语表示已完成。the surface to be glued / the surface glued
3、不定式的省略,如 help,使役动词 have,感观动词 see。
口诀:一个感觉 feel
两个听 hear/ listen to
三个让 have/ make/ get/ let
四个看 notice/ watch/ observe/ see
半个 help 两均可
被动以后 to 还原
My sisters professor had her _________ her paper many times before allowing her to present it to the committee.
A) rewritten B) to rewrite C) rewrite D) rewriting
注:have sb. do sth. 让某人做某事
Silver is the best conductor of electricity, copper _________ it closely.
A) followed B) following C) to follow D) being followed
注:1. 独立主格结构
2. 两个名词之间用-ing形式
3. 自然现象用主动形式
Dont get your schedule _________; stay with us in this class.
A) to change B) changing C) changed D) change
They are going to have the technician _________ an electric fan in the office tomorrow. A) install B) to install C) to be installed D) installed
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