人教版初二（下）英语第4讲：unit 2 语法篇（教师版）.docx

人教版初二〔下〕英语第4讲：unit 2 语法篇〔教师版〕
Unit 2 语法篇
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学生通过本讲学****能够掌握本单元的重点语法，并在综合能力上有一定的拓展。
〔二〕动词不定式:
肯定式: to do 否认式: not to do 省略to的: do
句法作用
例       句
作宾语
She wanted to borrow my radio.
作状语
She went to see her grandma last Sunday.
作宾语补足语
Lucy asked him to turn off the radio.
She asked me to speak more loudly
The father made his son study hard.
作定语
I had something to eat this morning.
作主语
To learn a foreign language is not easy.
1、不定式作宾语
口诀：决定想做方案需要同意，能做被用来做的事
迫不及待下决心做过去常常未能做的事
decide to do sth. 决定做某事
want ∕ would like to do sth. 想做某事
plan to do sth. 方案做某
need to do sth. 需要做某事
agree to do sth. 同意做某事
can’t wait to do 迫不及待地要做某事
decide to 下决心做
used to do 过去常常做某事
2、不定式作宾语补足语的动词：
ask sb. to do sth. 请求某人做某事
tell sb. to do sth. 告诉某人做某事
order sb. to do 命令某人做某事。
want sb. to do sth. 想要某人做某事
invite sb. to do sth. 邀请某人做某事
expect sb. to do sth. 期待某人做某事
encourage sb. to do sth. 鼓励某人做某事
advise sb. to do sth. 建议某人做某事
省略to的情况:
使役动词：let, make, have
感官动词：feel, hear, listen to, look at, see, watch, notice
3、动词不定式做主语
动词不定式作主语用的动词不定式常常为it替代，动词不定式〔或短语〕放在后面。例如：
It is not easy to learn a foreign language.
It took us three days to do the work.
4、动词不定式和疑问词连用
动词不定式可以和疑问词what ,which, how, where, when 等连用，构成不定式短语。如：
I don’t know where to go.
He showed me how to use a computer.
What to do is a big problem.
一、请找出以下动词中以动词不定式为宾语的动词并圈出来。
enjoy decide plan spend finish
want practice agree keep need
解析：不定式作宾语口诀：决定想做方案需要同意，
迫不及待下决心做过去常常未能做的事
答案：decide plan want agree need
二、请写出以下动词的适宜的非谓语形式填空。
1. Let me ________(help) you water the flowers.
2. I saw him _______(go) into the small store.