九年级英语第四单元语法总结完整版

1、Unit 4一、知识点2. pretend to do sth. 假装做某事I pretended to sleep just now.pretend to be doing sth. 假装正在干某事The students pretended to be writing when the teacher came in.pretend + 从句 假装 I pretended that I fell asleep.3. be late for 迟到 如：I am late for work/ school/ class/ party.4. a few 与 a little 的区别，few 与

2、little 的区别 a few 一些修饰可数名词a little 一些 修饰不可数名词两者表肯定意义如： He has a few friends. 他有一些朋友。There is a little sugar in the bottle. 在瓶子里有一些糖。 few 少数的修饰可数名词little 少数的修饰不可数名词但两者表否定意义如： He has few friends. 他没有几个朋友。There is little sugar in the bottle. 在瓶子里没有多少糖。5. hundred, thousand , million, billion （ 十亿）词前面有数词或

3、several 一词时要不能加s ， 反之， 则要加 s 并与 of 连用， 表示数量很多如： several hundred/ thousand/ million/ billion people 几百/千 /百万/十亿人hundreds of trees 上百棵树8. what if +从句 如果一怎么办，要是一又怎么样 如：What if she doesn t come? 要是她不来怎么办？What if LiLei knows? 如果李雷知道了怎么办？9. add sth. to sth.添力口 至U 如： I added some sugar to water. 我把糖添加到水里。1

4、0. 系动词与形容词连用get nervous 变得紧张feel shy 觉得害羞look friendly 看起来友好11. too +形/副+to do sth.太而不能 如：I m too tired to stand. 我太累了而不能站。12. help with sth. 如： They help with this problem.help sb. do. 如： They help you relax. 他们帮助你放松13. in public 在公共场所如 :Dont smoke in public. 请不要在公共场所吸烟。14. energetic adj. 活力的 如： Sh

5、e is an energetic girl. 她是一个活力的女孩。energy n. 活力 如： She has lots of energies. 她有活力。15. ask sb. to do叫做某事ask sb. not to do sth.叫不要做某事tell sb. to do告诉 做某事tell sb. not to do sth.告诉 不要做某事如： Teacher asked me to clean the classroom.Teacher asked me not to clean the classroom.16. start doing = start to do. 开

6、始做某事如：He started speaking/ to speak. 他开始说话。17. borrow sth. from sb. 从某人那里借来某物如：I borrowed a book from Lily. 我从莉莉那里借来一本书。18. wait for sb. 等某人 如： I am wait for him. 我正在等他。19. introduce sb. to sb. 把某人介绍给某人如：I introduced Lily to Anna. 我把莉莉介绍给安娜。20. invite sb. to do 邀请某人做某事如：Lily invited me to go to her

7、home for supper. 莉莉邀请我去她家吃晚饭。21. have dinner/ supper 吃晚饭have lunch/ breakfast 吃午餐、吃早餐22. plenty of 修饰不可数名词，也可以修饰可数名词许多 如：They have plenty of food/ apples. 他们有许多的食物/苹果。23. 给某人某物give sth. to sb. 如： give an apple to megive sb. sth. give me an apple 给我一个苹果24. get along (with)=get on (with)进行，进展The busin

8、ess is getting along very well. 生意进展的很顺利。How are you getting along with your English study?你的英语学习进展的怎么样了？相处Do you get along with your boss?= Do you and your boss get along?你跟老板合得来吗？I m getting along very well with my classmates. 我和同学们相处得很好。25. would rather than (=would rather than)宁愿，而不愿。前后连接两个动词原形，

9、否定形式为：would rather not do sthwould rather than =prefer to 但preferto若连接两个动词，动词应为 v-ing形式。He would rather jog than play football.=He prefers jogging to playing football.would rather常单独使用，表示“宁愿做”He would rather watch TV at home. rather than = instead of 而不是(连接两个并列成分，前后对称)。I d prefer to go to in summer

10、rather than in winter.I decided to write rather than telephone.I like going out with you rather than with him.She enjoys listening rather than speaking.26. in fact 事实上27. let sb. down 让某人失望如：Dont let your mother down. 不要让你的妈妈失望。28. come up with sth. 提出 想出如： He came up with a good idea. 他提出了一个好主意。cat

11、ch up with sb. 追上 赶上如： Lily caught up with Anna. 莉莉赶上了安娜。29. have experience doing 在做某事有经验如：I have experience teaching Chinese. 我在教英语方面有经验。30. come out 出版，出来如： The magazine comes out once a week. 这种杂志每周出一次。31. by accident 偶然地，无意之中如：Last week I cut my finger by accident. 上个星期我不小心割到自己的手指。32. hurry to

12、do 匆忙 I hurry to call the police.33. more than=over 超过34. offer 提供 offer sb sth 给x xoffer to sb sth主动提出干35. give sb sth=give sth to sb类似的词还有：pas& lend、 show、 write、 send 等 buy sb sth=buy sth for sb类似的词还有：make、draw、cook等36.look for寻找find找到、发现find out指经过观察、探索、调查等弄清楚、弄明白。discover指发现那些客观存在而不为人所知的实情。

13、如科学上的重大发现。37 .bring带来take带走 fetch去并拿来38 .talk to/with sb 同 x x 说话。tell告诉，分辨，辨别。speak to sb同xx说话，做及物动词，后跟语言。say后跟名词、代词及宾语从句做宾语，着重强调说话内容。39 .What if如果将会怎么样？(引导条件状语从句、疑问句)What if she doesn't come? 她要是不来怎么办？What if your parent don ' t agree?如果你的父母不同意怎么办？What if you should fall sick? 如果你生病了 怎么办？4

14、0 .What does/do xx look like? 问相貌。What' s xx like?问“品质性格”。41 .give a speech 做演讲 have a speech听演讲give a report 做报告have a report 听报告42 .permission (n.) 允许，许可permit (v.) 允许without permission 未经许可enough.43 .plenty of充足的，相当多的。修饰可数或不可数名词，只能用于肯定句。否定、疑问句中用44 .notin the slightest=notat all 根本不45 .a littl

15、e = a bit修饰形容词、副词 a little = a bit of修饰不可数名词46 .the rest其余的，可指代可数或不可数名词。The other(s)只能指代可数名词二、短语1、give it to charity 把它捐给慈善机构2、medical research 医学研究3、What if 如果怎么样？4、get nervous 紧张5、take a big exam 参加大考6、help with 有助于7、in public 在公共场合8、hardly ever 几乎不9、the whole school 全校10、without permission 为经许可11

16、、be(make) friends with 与交朋友12、 ask one' s permission 请求 xx 的允许13、introduceto 把介绍给14、inviteto do邀请干15、social situations 社会环境16、notin the slightest 根本不，一点也不17、right away 立刻，马上18、all day 全天19、be friendly to 对友好20、at lunch time在午饭时间21、a bit shy有点害羞22、 English speech contest 英语演讲比赛23、 represent the class 代表班级24、 come top 名列第一(前茅)25、letdown使失望26、 come up with 提出、想出27、 be sure of + n./pron