Unit4Iused第一部分知识点讲解

Unit4 I used to be afraid of the dark

Section A

1. —Mario, you used to be short, didn’t you?马里奥，你以前个子矮，对吗？

—Yes, I did. 是的。

【解析1】(1) use v.使用→useful adj. 有用的use up 用完

Studying English is__________(use).

(2) use sth to do sth 用某物做某事

We use Internet __________(find) information.

(3) used to do sth 过去常常做某事，表示过去做过的事现在已经不做，只用于过去时态。

◆变成否定句或疑问句时要借助助动词didn’t/did

【拓展】（一）肯定形式：主语+used to+do…

I used to get up at six.

(二) 否定形式：主语+ usedn’t /didn’t use +to do …

He usedn’t to study hard.= He didn’t use to study hard.

（三）疑问形式:

①Used +主语+ to do sth …?

答语：Yes, 主语+used to./ No, 主语+ usedn’t to

②Did + 主语+ use + to do ….?

答语：Yes，主语+ did./ No, 主语+ didn’t

Used he to go to school on foot?= Did he use to go to school on foot?

(四) 反意疑问句：

肯定句+ didn’t /usedn’t+ 主语？

He used to be very rich, didn’t he/ usedn’t he?

否定句+ did /used +主语？

He didn’t use to smoke, did /used he?

①My mother used_________（tell）us story when we were young.

( )②He used to ____short and ____ short hair when he was young.

A. have; be

B. be; have

C. be; be

D. have; have

【用法归纳】

辨析：used to do something.，be used to do something.与be used to doing something. used to “过去常常”(后接动词不定式，表示过去的习惯)。

否定式有两种：did not use to或used not to。

疑问式有两种：e to...?或Used...to do...? 但常用第一种。答语形式与did和used 的形式一致。

◆used to do sth. “过去常常做某事”(而现在已经不做了)，

表示过去习惯性、经常性的动作或状态，和现在对比，暗示现在不做了。

to为不定式符号，后跟动词原形。：

I used to go shopping on Saturdays, but now I no longer do so.

过去我经常星期六去购物，但现在我不再那样了。

◆be used to do something. 表示被动，“.....被用来做……”。

Computers are used to help people do many things. 电脑被用来帮助人们做很多事情。

◆be used to doing something. “习惯于做某事”。to 在这里是介词，后接名词或动名词。The teacher is used to going to bed late in the evening. 那个老师习惯于晚睡觉。

【2014山东枣庄中考】22. Liu Huan, a famous male singer, has long hair, because he ______ long hair.

A. used to have

B. is used to having

C. is used for having

D. is used to have

【2014湖北黄冈】42. - Grandpa has changed a lot.

- So he has. He spends more time than he used to ______ games with the children.

A. play

B. playing

C. played

D. plays

【解析2】反意疑问句（见单元语法）

2.appearance[əˈpɪərəns] n (人或物的)外表；外貌，外观；仪表

make one's appearance 登台；出现

3.A: What’s he like now?他现在什么样子呢？

B: He’s tall now

【解析】What’s sb like?

如果询问人的性格、人品时，多用What be(am/is/are)…like?

—What’s he like? 他是个什么样的人呢？—He’s friendly and kind. 他友好善良。

—What is John like?—He is shy.

【拓展】—What do/does sb. look like?

—a)sb. +be+形容词/

—b) be of +名词（指描述某人的体形、身材等）

—c) have/has +形容词+名词（指强调某人的体貌特征）

—What does she look like?

—She is tall /She is of medium build/She has long hair

( ）①I ____ my mother and I ______ her.

A. am like; like

B. am like; am like

C. like; like

D. like; am likes

( ) ②－How do you _______ China?

－Very much.

A. like

B. likes

C. liked

D. look like

4.friendly adj.友好的

【解析】be friendly to=be good to=be kind to“对什么友好”

【2014山东威海】32.To my surprise , my brother can speak English_____.

A.lively

B.perfectly

C.badly

D.friendly

【2014十堰中考】30. It’s very friendly ________ him to help me when I’m in trouble.

A. of

B. with

C. to

D. in

5.She was always silent in class 在课堂上她总是很沉默。

【解析】silence n 沉默→ silent 沉默；缄默；无声

in silence 沉默地、无声地= silently

keep silent 保持沉默

【2012山东烟台】When he heard the bad news, Robert walked home together

with his friends ____________. （沉默地）

( )① We should keep ____ in the library.

A. silence

B. silently

C. silences