九年级英语Unit8讲解.docx

1、九年级英语Unit8讲解Unit8 It must belong to CarlaKey phrases:（1）belong to 属于（2）call the police 报警（3）find something strange 找到奇怪的东西（4）escape from 从逃走（5）in an ocean of paper 在纸(试卷)的海洋中（6）be careful of 当心（7）use up 用完(8) hair band 发带(9) get in the window 从窗户进入(10) have sbs name on 在上有某人的名字Language Points:1It mu

2、st belong to Carla belong to“属于”These books belong to me这些书是我的。 Who does this belong to?这是谁的?2Its much too small for him much too +形容词副词,“太，非常” Its much too cold here in winter. He drove the car much too fast too much+不可数名词动作名词, “太多”There is too much snow and ice in winter. Watching TV too much is b

3、ad for your health看电视太多对身体不好。 3It is less of a problem to be poor than to be dishonest dis-前缀，表示否定、相反或相对agreement同意 disagreement不同意 ability能力 disability残疾 advantage优势 disadvantage不利条件 honest诚实的 dishonest不诚实的4 . no的用法表示某事被禁止No pets No TV on schoolNo smoking.no+n. “没有，无”=notanynota We have no friends

4、here=We havent any friends here.I have no time at a11 to write to you用作否定回答Is it raining? 下雨吗?No，it isnt没下。5. If you have any idea where it might be, please call me. If you have any idea. (若干的，有多少)= If you know. “如果你知道” 6. be anxious about 担心;渴望的=be worried about=be concerned aboutWe are anxious abo

5、ut her studies .Mary has been anxious about your return. 玛丽急切盼你回来.7. unhappy是happy的反义词,由un+happy组合而成。 前缀 例 词 派生词 un-“不” happy unhappy like unlike grateful ungrateful friendly unfriendly lucky unlucky8. My parents called the police, but they cant find anything strange. the police复数名词， “警察、警方”,指一个警员，用

6、a policeman或a policewomanpolice station 警察局 9. In my dream, I was swimming in an ocean of paper.在我的梦中我浸泡在数不尽的试卷中 （in）an ocean of或（in）oceans of“极多的，用不尽的”, 口语中常用He thinks he has oceans of time. 他认为他有用不尽的时间。10. escape from = run away 逃走 逃离 That man escaped from prison on the windy night . Gas(煤气)escape

7、s from the pipes .11. drop v. 滴 滴下 You must drop medicine five times a day . 丢下 落下 放下 Dont drop the teapot . Can you drop me at the next stop ? 放弃=give up He wants to drop /give up English . 12. There be sb. doing sth 有人正在做. There are some people sitting and chatting under the tree .Grammar: 表示推测的情态

8、动词 情态动词无人称和数的变化，情态动词后面跟的动词需用原形，否定式构成是在情态动词后面加“not”。个别情态动词有现在式和过去式两种形式，过去式可以用来表达更加客气、委婉的语气，时态性不强，可用于过去，现在或将来。 答非所问的情态动词一、在回答must开头的一般疑问句时，肯定回答用must，否定回答用neednt 或dont have to。如：Must I finish my homework before eight oclock? Yes, you must.Must I attend the meeting? No, you neednt. （No, you dont have to

9、.) You can ask Tom to go instead.二、在回答may开头的一般疑问时，肯定回答用may，其否定回答用mustnt。如：May I watch TV after supper? Yes, you may. /No, you mustnt.May I stop here? No, you mustnt .三、在回答 开头的一般疑问句时，肯定回答用，否定回答用。如： Need we stay behind after school? Yes, you must. Need he go now? No, he neednt.四、在回答/ / 所构成的表示征询对方意见或表示

10、请求的一般疑问句时，肯定回答用 或 ，否定回答常用cant 。如：Can you come and see me tomorrow? Yes, I can. Could I enter the lab? No, you cant.Might I borrow your umbrella? Of course you can./ may.Could I borrow your car? No, Im afraid you cannot.在英语中，表示推测的时候，我们通常会用到以下情态动词：can, may, must, need, could, might, cant, couldnt等. 一.

11、 can和could的区别和用法1can表示体力和脑力方面的能力，或根据客观条件能做某种动作的“能力”。 I can speak English. can用在否定句和疑问句中时有时表示说话人的 “猜测”或 “不肯定”。 Where can he be？ 2. could 是 can的过去式，表示过去有过的能力和可能性，还有怀疑和不肯定的意思（在否定和疑问句中）。 The doctor said he could help him（能力）could用来提问，是有礼貌的请求 Could., please? 语气较为婉转。 Could I speak to Mr. Smith, please? 二.

12、 may和 might的用法如下:1. may的用法: a. 表示“允许”或“请求”。 May I come in？ 注意: may表“允许”的否定形式mustt May I take this book out of the reading-room？ No，you mustnt不行。 b. 表示说话人的猜测，认为某一事情“或许”或“可能”发生。 He may know the answerc. may用在感叹句中可表示祝愿、愿望。 May you succeed(祝你成功。)2. might的用法: （1）是情态动词may的过去式 e.g. He said that I might bor

13、row his bike. （2）是may的虚拟语气形式，不表示过去，而表示现在或将来“可以，可能”，但语气更委婉、客气，有时表示对可能性有所怀疑。a. Might I borrow your bike? b. He might come today.今天他可能会来 三. must与have to的区别have to比较强调客观需要，must着重说明主观看法。另外have to能用于更多时态，比较下面的句子： We must study hard Its raining hard. We have to stay at home. must be表示推测, “一定”或“准是”This must

14、 be your room There must be a mistake 回答由must引起的问题时，肯定回答用must,否定回答用neednt或dont have to，Must we hand in our exercises today？No，you neednt must not的否定形式则表示“不应该”或“不许可”，语气比较强烈。 You mustnt play on the road4 ）must 表示“偏要”How old are you, madam? If you must know, Im twice your age.Naturally, after I told her what to do, my daughter must go and do the opposite.Unit 5单元测试语法专题.情态动词I15 CADCB610 ADCDC1115 BDDCD1620 DAACB2125 BACAD2630 CCDBD3135 CDCDC3640 BBDCD4145 BADAC4650 ABBCA情态动词II1. 1-5 A D A B B2. 1-5 C D B C A 3. 1-3 C A A 4. 1-3 D B C5. 1-4 C B C C 6. 1-3 B A B 7. 1-3 C C C 8. 1-3 A D B