九年级英语第三单元知识点

名师指导：Unit3知识点汇总

一、知识点

1. 被动语态的谓语动词形式: be的各种时态形式+v-ed

含情态动词的: can/ may/ must/ should be + v-ed

2. get/have + n./pron. + v-ed 叫/让/请别人做某事(即使谋事被做)

例: I want to get my coat mended. 我要缝衣服.

I want to have my hair cut. 我要理发.

3. allow sb to do sth 允许某人做…

allow doing sth 允许做…

4. drive : ①驾车,驾驶. ②驱赶,驱使.

例: What drives them to rob the shop? 什么驱使他们去抢商店?

5.stupid, silly, foolish 三个词都有“蠢”的意思.但略有不同.stupid 程度最强,指智力理解力学习能力差. silly 指头脑简单,傻头傻脑,使人觉得可笑,带有感情色彩. foolish 尤其在口语中广泛使用.

例: He is stupid in learning math. 他学习数学很笨.

Stop asking such silly questions. 别再问这样傻的问题了.

You are foolish to throw away such a good chance. 你真蠢,丢掉这样一个好机会.

6. He doesn’t seem to have many friends.

=It seems that he doesn’t have many friends.

=He seems not to have many friends.

7.倒装句: So + be动词/助动词/情态动词+主语(前为肯定局) 表示与前面所述事实一致.

Neither/Nor + be动词/助动词/情态动词+主语(前为否定) 表示与前面所述事实一致.

例: He likes oranges. So do we

He doesn’t like oranges. Neither do we

She went to the cinema yesterday. So did I

She didn’t go to the cinema yesterday. Neither did I

Tom can swim. So can John

Tom can’t swim. Neither can John

So +主语+ be动词/助动词/情态动词表示对前面事实的进一步确认.

例: Henry is very tired. So he is (的确是)

He surfed Internet for two hours. So he did (的确是)

They will win the game. So they will (他们会的)

8. until 用于肯定句中,前面句子中的谓语词必须是延续性的.

9. clean (v.) 打扫,清理clean up 比较彻底地打扫,清理clean out 打扫,清理地最彻底.

10.fail a test = fail in a test 考试不及格

11.be strict with+人. be strict in+事物.

例: The head teacher is strict with his students

He is strict in the work.

12. the other day 前几天,不久前的一天.(用于过去时)

13. concentrate on…全神贯注做…

例: He decided to concentrate on physics because he failed the exam.

This company concentrates on $2 market. 这家公司把重点放在中国市场上.

14. more… than…①与其说…不如说…; 比…更…

例: The man is more stupid than nervous.与其说那人紧张,倒不如说他愚蠢.

②在这一结构中,more做adj. 修饰名词,表示“比…多”

例:I have more books than you. 我的书比你的多.

15.volunteer ① n. 自愿者. ② v. volunteer to do sth. 自愿做…

例: We all volunteered to help in the old people’s home.我们都志愿到敬老院帮忙.

16.chance 指侥幸的,偶尔的机会,还可表示“可能性”

opportunity 指有利的时机,良机. 二者有时可以互换.

Have an opportunity to do sth 有做…的机会.

Don’t be too frustrated. You’ll have another opportunity to go to college next year.别太沮丧了,你还有上大学的机会.

17. experience : ①可数名词“经历,体验”

例: Please tell us something about your experiences.

②不可数名词“经验”例: He is a man of rich experience.

③动词“经历” 例: She experienced lots of suffering.

18. off 不工作,不上班,不上学,不值班.

例: I think I’ll take the afternoon off. 我想下午歇班.

She is off today. 她今天休息.