九级英语全册UnitWhatwouldyoudo要点详解人教新目标版

1、1 / 52013 年九年级英语全册 Un it 4 What would you do要点详解 人教新目标版Section A1. if引导的非真实性条件状语从句即 虚拟语气通过动词形式的变化来表示说话人对发生的动作或存在的状态所持的态度或看法的动词形式称为语 气。英语中的语气分三种：陈述语气、祈使语气、虚拟语气。虚拟语气表示说话人所说的话不是事实， 而是一种祝愿，建议，与事实相反的假设或实际可能性不大的情况等（即非真实的假设）。If引导的条件状语从句分为真实和非真实条件句（虚拟条件句）。真实条件句表示在假设的条件 下，有可能实现的情况。非真实条件句表示的是假设的或实际可能性不大的情况，故采

2、用虚拟语气。If he doesnt hurry up, he will miss the bus.（真实条件状语）If he was free, he asked me to tell stories.（真实条件状语）If I were you, I would go at once.（非真实条件状语从句）If there was no air, people would die.（非真实条件状语从句）1）非真实条件句中虚拟语气的基本形式。假设类型条件从句的动词结果主句的动词与现在事实相反动词过去式（be只用were）would/should/could/might +动词原形与过去事实相反

3、had+过去分词would/should/could/might分词+ have +过去与将来事实相反动词 过去式/（should/were to）+动词原形would/should/could/might +动词原形与现在事实相反If I had time, I would go for a walk.如果我有时间，我就会去散步。（实际情况：我现在没有时间，也不会去散步。）If I were you, I would take an umbrella.假如我是你的话，我会带上雨伞。（事实上我不可能是你。）I would say no if some one asked me to be in

4、 a movie.假如有人请我当电影演员，我会表示拒绝。（事实上现在没有人请我当电影演员）If I knew his telepho ne nu mber, I would tell you.如果我知道他的电话号码，我就会告诉你。（事实：不知道）If there were no air or water, there would be no living things on the earth.如果没有水和空气，地球上就不会有生物。（事实：地球上既有空气也有水）2与过去事实相反If he had not hurt his leg, Joh n would have won the race.如

5、果约翰的腿之前没受伤，那么赢得比赛的就会是他。（实际情况：约翰的腿受伤了。）If I had bee n in vited, I would have come to the party.如果邀请我的话，我就会参加晚会。（实际情况：当时没人邀请我，我也没去。）If I had got there earlier, I should/could have met her.如果我早到那儿，我就会见到她。（事实：去晚了）If he had take n my advice, he would not have made such a mistake.如果他听我的劝告的话，就不会犯这样的错误了。（事实

6、：没有听我的话）2 / 53与将来事实相反或表示对将来情况的主观推测（可能相反或可能性很小）3 / 5If it were to / should rain tomorrow, I would stay in bed all day long.如果明天下雨，我就睡一整天。（实际情况：明天不太可能下雨，我也不太可能睡一整天。）If he would come here tomorrow, I should/would talk to him.如果他哪天来这儿的话，我就跟他谈谈。（事实：来的可能性很小）If there were a heavy snow n ext Sun day, we wou

7、ld not go skati ng.如果下周日下大雪，我们就不能去滑冰了，（事实：不知能否下雪）If you succeeded, everyth ing would be all right.如果你成功了，一切都会好起来的。（实际情况：成功的可能性很小）2）虚拟语气的其他用法1虚拟语气用在wish后的宾语从句a、表示与现在事实相反的愿望，谓语动词用过去式I wish I had your brains.我希望我有你那样的头脑。（事实：我根本比不上你）b、 表示过去事实相反的愿望，谓语动词：had+v-edI wish I had known the truth of the matter.

8、我希望我原来知道这件事的真相。（事实：原来不知道）c、 表示将来难以实现的愿望，谓语动词：should/would +动词原形I wish I should have a cha nee agai n.很难再有这样的机会了。（事实：很难再有这样的机会了）2虚拟语气用在suggest（建议）、in sist（坚持）、dema nd（要求）、order（命令）等动词后的宾语从句中。在这种用法中，无论主句谓语动词为何种时态，从句的谓语动词都用：“should +动词原形”或只用“动词原形”。女口He suggestedHe in sistedHe dema ndthat we （should） ta

9、ke the teachers adviceHe ordered=Were it to rain, the crops would be saved.2. prete nd to do sth.假装做某事I prete nded to sleep just now.prete nd to be doing sth.假装正在干某事3在虚拟条件句中，如果从句的谓语有were, hadhad或should移到主语之前。Were she free now, she would go with you.=If she were free now, she would go with you.Were t

10、hey here now, they could help us.=If they were here now, they could help us.Had you come earlier, you would have met him=If you had come earlier, you would have met him.Should it rain, the crops would be saved.或should时，从句可省略if，用倒装句，即were,如果她现在有空，她会和你去的。如果他们现在在这儿，它们会帮助我们的如果你来早一点，你就遇到他了。如果下雨，庄稼就会得救。4

11、/ 5The students pretended to be writing when the teacher came in. pretend +从句 假装Ipr etended that I fell asleep.3. be lat e for迟到 女口：5 / 5I am late for work/ school/ class/ party.4. medical research医学研究女口：I added some sugar to water.我把糖添加到水里。7. tie 1) cn领带，领结”He wears a blue tie.2) vt系，栓” (tie A to B

12、把A栓到B上)如：Tie the horse _the treeSection B1. con fide nt adj.自信的，有把握的”1)get/feel/be con fide nt of + n/pron/v-i ng确信.，对.有信心”2)get/feel/be con fide nt that-clause确信.，对.有信心”She is con fide nt of pass ing the exam.= She is con fide nt that she can pass the exam.她自信会通过考试。2. in public在公共场所 如：Dont smoke in

13、 public.请不要在公共场所吸烟。3. energetic adj.活力的 女口：She is a energetic girl.她是一个活力的女孩。energy n.活力 女口：She has lots of energies.她有活力。4. give a speech做演讲have a speech听演讲give a report做报告have a report听报告5. without permission未经许可ask ones permission请求某人的允许6. wait for sb.等某人 女口：I am waiting for him.我正在等他。7. in trodu

14、ce on eself自我介绍introduce sb. to sb.把某人介绍给某人女口：I introduced Lily to Anna.我把莉莉介绍给安娜。8. i nvite sb. to do邀请某人做某事女口：Lily in vited me to go to her home for supper.莉莉邀请我去她家吃晚饭。9.“许多”的不同用法：1) 只用于修饰可数名词复数：many, a large nu mber of, large nu mbers of, a great/good many,quite a few2)只用于修饰不可数名词：much, a great/go

15、od deal of, quit a little, a large amount of3)既可修饰可数名词复数又可修饰不可数名词：a lot of, lots of, ple nty of10. get along (with)=get on (with)1)进行，进展The bus in ess is getti ng along very well.生意进展的很顺禾U。How are you getti ng alo ng with your En glish study?你的英语学习进展的怎么样了？2)相处Do you get along with your boss?= Do you

16、 and your boss get along?你跟老板合得来吗？Im getti ng along very well with my classmates.我和同学们相处得很好。11. bother1) vt“烦扰，打扰”bother sb about/with sth使某人为某事烦恼/为某事给某人造成麻烦/为某事打扰某人I dont want to bother her about my problem.5. what if +从句 如果怎么办，要是又怎么样女口:What if she does nt come?要是她不来怎么办?What if Li Lei kno ws?如果李雷知道

17、了怎么办?6. add sth. to sth.添加到6 / 52) vi“烦恼，操心”bother about/with sth(doing sth) bother to do sth“为某事烦恼/操7 / 5心”3)un麻烦，纠纷”11.notin the slightest = notat all根本不，一点也不The old lady does not feel tired in the slightest.= The old lady does not feel tired at all.那位老太太根本没感到累。12. one or two hours = an hour or tw

18、o一两个小时one or two days = a day or two一两天13. would ratherthan(=wouldrather than)宁愿，而不愿。前后连接两个动词原形，否定形式为：would rather not do sth1would rather do sth tha n do sth=prefer doing sth to doing sthHe would rather jog tha n play football.=He prefers jogg ing to play ing football.2would rather do sth宁愿做某事”He w

19、ould rather watch TV at home.3rather than = in stead of而不是(连接两个并列成分，前后对称)。I decided to write rather tha n telepho ne.I like going out with you rather tha n with him.She enjoys liste ning rather tha n speak ing.Self c heck&Reading1. in fact事实上15. offer2. at lunch time在午饭时间让某人失望女口：提出想出追上赶上3. let s

20、b. dow n4. come up with sth.catch up with sb.5. cover A with B脸。be covered with6. give advice on7. know of/about8. be faced withDontlet yourmotherdown.不要让你的妈妈失望。女用B遮/盖住A Dont cover your face with the book.被.覆盖The field is covered with snow.在方面提出意见、建议 了解，听说过“面临，面对”田野上一片积雪。9. have experie nee (in) doi

21、ng sthI have experie nee teach ing Chin ese.10. come out出版，出来女口：11. in.situation(s)困难。12. by accide nt偶然地，无意之中女口:Last week I cut my fin ger by accide nt.13. hurry to do sth“在在做某事有经验女口：我在上个星期我不小心割到自己的手指。匆忙做某事I hurry to call the police.超过8 / 5位于句首的宾语从句。Whether he will come,I dont know yet.他是否会来，我还不知道。

22、在主语从句、表语从句和同位语从句中；3）由 连接代词、连接副词（疑问词）引导 表示特殊疑问意义Do you know what he wants to buy?你知道他想要买什么吗？4）从句时态要与主句一致当主句是一般现在时，从句根据情况使用任何时态He says (that ) he is at home.他说他在家里。I dont know (that) she is singing now.我不知道她正在唱歌。She wants to know if I have fini shed my homework.她想要知道我是否已经完成了我的作业。Do you kn ow whe n he will be back?你知道他将会什么时候回来？当主句是一般过去时，从句应使用过去某时态（一般过去时，过去进行时，过去将来时，过去完成时）He said （that） he was at home.他说他在家里。I didnt know that she was singing now.我不知道她正在唱歌。She wan ted to know if I had fin ished m homework.她想要知道我是否已经完成了我的作业。1)(主动)拿给，给予offer sb sth = offer sth to sb（主动地）给某人某物2）offer to do sth主动提出做某