高中英语不定式语法讲义

一.不定式:

一)不定式的`常考形式:

1) 一般形式:He decided to work harder in order to catch up with the others.

被动形式: He preferred to be assigned some heavier work to do.

语法，功能: 表示与谓语动词同步发生

2) 完成形式:He pretended not to have seen me.

被动形式:The book is said to have been translated into many languages.

语法，功能:表示发生在谓语动词之前

二)不定式常考的考点:

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.

三)不定式的省略

1)感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel

+ do 表示动作的完整性,真实性;

+ doing 表示动作的连续性,进行性

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)