九年级英语unit4知识点

1、Unit4知识点1. 区别： used to do 过去常常做某事（是主动语态，说明主语过去经常性的动作或状态，强调现在已不做）例：He used to get up early. be used to (doing) sth 习惯于（做）某事（表示主动语态，意为习惯于某一客观事实或状态，不强调动作）=get used to (doing) sth例：He is used to hard work. She is not used to eating Chinese food. be used to do sth 被用于做某事（表示被动语态，其中动词不定式表目的，可用于多种时态，有时可以与be

2、 used for doing sth互换）例：Wood is often used to make desks and chairs.练一练：-Excuse me,does Mr Lees son live here? -He _ be here,but he has moved A. used for B. used to C. was used to D.got used to-How does Jack usually go to school? -He _ ride a bike,but now he_ there to lose weight. A.used to; is used

3、 to walk B. was used to;is used to walking C.was used to;is used to walk D.used to;is used to walkingHe used to _to school late,but now he doesnt. A. go B. going C. went D.goesHe _ like English,but now he likes it very much. A. didnt used to B. didnt use to C. not used to D.doesnt use toHe son _Coke

4、,but now he _ milk. A.used to drink;is used to drinking B.used to drink;drinks C.is used to drinking;used to drink D.is used to drink;is drinkingWhile traveling to Canada,you should give yourself a day to_ the time and know the way nearby. A. used to B. be used to C. used to D.be used forShe _live a

5、lone,but she_ living alone because she feels lonely. A.used to;doesnt used to B.is used to;was used to C. used to;is not used to D. was used to;doesnt used to Mike _ afraid of dog,but now he can play with them. A.is used to being B. used to being C. used to be D.used forHe used to_in the sun,but now

6、 he is used to_at night. A.read;read B.reading;reading C.read;reading D.reading;read2.反义疑问句：（1）什么是反意疑问句英语中，反意疑问句是由陈述句和附在其后的附加疑问句组成。其中附加疑问句是对陈述句所说的事实或观点提出疑问，起证实作用，一般用于证实说话者所说的事实或观点。翻译为“是吗”（2）.反意疑问句的回答：回答时，如果情况属实，用Yes加上反问句的倒装肯定句；若果情况不属实，则用No加上反问句的倒装否定句。例如You were moved by your students, werent you?情况属

7、实：Yes, I were.情况不属实：No, I werent.（3）、反意疑问句中问句部分的动词与陈述部分的动词在语气上成相反的对应关系，即：肯定+否定？ 否定+肯定？如： You cant do it, can you? 你不能做它，是吗？They are very late for the meeting, arent they? 他们开会迟到了，是吗？（4）当陈述句中含有be动词，助动词，或是情态动词时，反问句部分由这些词加上主语人称代词构成，Be动词包括：am, is, are, was, were助动词有：do, does, did, have（用在完成时）, has（用在完成时

8、）等情态动词有：can, could, may, might, must, will, would, shall, should例如：She is a lovely girl, isnt she? 她是一个可爱的女孩，是吗？He will go home, _wont_ _he_?他要回家了，是吗？She doesnt like to eat popcorn, _does_ _she_?她不喜欢吃爆米花，是吗？The baby wont sleep early, will it?小宝宝睡得不早，是吗？注意：He has supper at home every day, doesntt he?

9、 (不能用hasnt he?) 他每天在家吃晚饭，是吗？ They have known the matter, havent they? (不能用dont they?) 他们已经知道那事情了，是吗？（5）当陈述句中只含有行为动词时，若动词加了s,就用does, 若动词为原形，就用do,动词为过去式，则用did,例如：You cleaned your house last week, _didnt_ _you_?你上周打扫了你的房间，是吗？Your father plays the computer very well, _doesnt_ _he _?你父亲电脑技术很好，是吗？They loo

10、k so happy today, _dont _ _they_?你今天看起来很高兴，是吗？（6）反意疑问句的陈述部分带有little, few, never, hardly, seldom，nobody, nothing, barely, scarcely等否定意义的词时，问句部分用肯定式。如： She never tells a lie, does she?(不用doesnt she?) 她从不说谎，是吗？ He was seldom late, was he?(不用wasnt he?) 他几乎不迟到，是吗？（7）、反意疑问句的陈述部分为I am时，问句部分习惯上用arent I？表示。如

11、： I am a very honest man, arent I? 我是个很诚实的人，是吗？（8）陈述部分的主语为不定代词something, anything, nothing, everything时，问句部分的主语用it。如： Something is wrong with the computer, isnt it? 电脑有问题了，是吗？ Nothing has happened to them, has it? 他们什么事也没发生，是吗？ （9）、陈述部分的主语为不定代词somebody (someone), anybody (anyone), nobody (no one), e

12、verybody (everyone)时，问句部分的主语用he或 they，这时问句动词的数应和he或 they一致。如： Someone has taken the seat, hasnt he? 有人已经坐了位置，是吗？ Everyone has done their best in the game, havent they? 每个人在比赛中已经尽力了，是吗？（10）陈述部分为祈使句1）若为lets引导，反问句用shall we? 例如 Lets go home together, shall we? 让我们一起回家，好吗？2）若为let us引导 和其余的任何一般的否定祈使句，都用wi

13、ll you, 例如Let us stop to rest, will you? 让我们停下休息，好吗？Dont make any noise, will you? 别弄出噪音，好吗？3）一般的肯定祈使句则用will you 或wont you 都行，例如：Do sit down, wont you?/ will you? 请坐，好吗？You feed the bird today, will you? 今天你喂鸟，是吗？Please open the window, will you? (wont you?) 打开窗，好吗？（11）：陈述部分为There (Here) + be + 主语时，

14、问句部分用动词+there (here)?形式。 There are two cakes on the plate, arent there? 碟子里有两块蛋糕，是吗？ Here is a story about Mark Twain, isnt here? 这是关于马克吐温的故事，是吗？练一练：Lucy used to go to bed late,_she? A.didnt B.doesnt C.hadnt D.isntThey had a good time last night,_? A.hadnt they B.havent they C.didnt they D.did they3

15、. Whats sb like 某人是什么样/某人是什么样的人（多用于提问人的性格、品质等，也可用于提问人的相貌）例：-Whats Alice like?-She is quiet and a little shy. What does sb look like? 某人长得什么样子？（用于提问人的长相、外貌）例：-What does Tom look like? -He has short hair.4. silent adj. 不说话的，沉默的 keep/remain silent 保持沉默例：The students remained silent.silence n. 沉默，寂静 5.

16、.enough adv. 足够地，充分地 （修饰形容词或副词，置于被修饰词之后）例：He runs quickly enough. enough还可用作形容词，意为“足够的，充足的”，在句中作定语修饰名词例：We have enough time to do our homework. adj./adv+enough to do sth 足够可以做某事例：Tom is clever enough to work out the math problem.练一练：The dining hall is_to hold 300 people.A. enough big B.enough small

17、C.small enough D.big enoughShe is not strong enough_walking up mountains.A. to go B.going C.go D.wentMy brother is enough_after himself.A. look B.looking C.to look D.looked6. get good grades 取得好的成绩 get getter grades 取得更好的成绩7. .play+the+乐器 play+球类8. be interested in 对感兴趣练一练：Jack enjoys watching TV,wh

18、ile Tom is interested in_basketball.A. play B.playing C.to play D.playedMy brother is interested in_football.A. play B.playing C.to play D.played9.from time to time 有时，不时（相当于sometimes或at times）10.Its been+一段时间+since+从句 自从以来已经有多长时间相当于It is+一段时间+since+从句例：It has been five years since I began to learn

19、English. =It is five years since I began to learn English.练一练：Rick has learned a lot about Chinese culture_he came to China.A. before B.when C.until D.since-What was the party like? -Wonderful.Its years_I enjoyed myself so much.A. after B.before C.when D.since12. turn+颜色 变成什么颜色13. see sb doing sth 看

20、见某人正在做某事（强调动作正在进行） see sb do sth 看见某人做了某事（强调看到动作发生的全过程或看到动作经常发生）例：I saw him playing football on the playground. I saw him run into the room. I often see her play basketball.练一练：When I walked past the park,I saw some old people_Chinese Taiji.A. do B.did C.doing D.are doing14. take up 开始做（某个工作，某项爱好） t

21、ake up doing sth 开始做某事例：He is going to take up a holiday like painting. My father took up learning English at the age of forty.15. deal with 对付，应付例：He has learned to deal with all kinds of difficulties.辨析：deal with 与do withdeal with 与do with二者都可以用来表示“处理”，前者侧重于方式、方法，后者侧重对象。在特殊疑问句中，deal with与how连用，do

22、with与what连用。例：I dont know how they deal with the problem. =I dont konw what they do with the problem.deal with还有一个需要注意的地方：在动词不定式短语to deal with中必须带宾语。例：I dont konw how to deal with it.练一练：-Many students dont know how to_stress and become worried. -I think theyd better ask their teachers for help.A. a

23、rgue with B.deal with C.quarrel with D.come up withIf the baby cries again,how do you_it?A.deal with B.deal in C.do with D.deal out16.dare (to) do sth 敢于做某事例：We must dare to think,speak and act.练一练：The little girl_out in the dark at night.A. dare not go B.dares not go C.does not dare going D.dares n

24、ot to go17. inn front of 在的前面（外部）in the front of 在的前面（内部）例：Cathy was just sitting in the front of the car when she saw her friend Mary standing in front of the car.18. the whole+名词单数 整个的，全部的 the whole day=all day 一整天whole与all的区别：语序不同：whole用于冠词、所有格或其它限定词之后 all用于冠词、所有格或其它限定词之前例：I spent the whole morni

25、ng/all the morning in bed today.19. not.anymore 不再（一般指动作或行为不再重复出现） =no more辨析：not. any more与not.any longernot. any more相当于no more,表示数量和程度上“不再”，通常修饰非延续行动词，一般指今后“不再”，故多用于将来时。例：He will no more go there=He will not go there any more.not.any longer相当于no longer,指时间或距离上的“不再延长”，通常修饰延续性动词，多指现在的情况与过去相比，故常用于现在

26、时态。例：You can no longer stay here=You cant stay here any longer.练一练：He is no longer a teacher.（同义句转换）He _a teacher_ _.20. crowd （可数名词） 人群，观众 （形容词） 拥挤的 （动词） 拥挤例：We have to push the way through the crowds. The shop is crowed on weekends. The all crowed into the cinema.21. be able to do sth 能够做某事22. all

27、 the time 一直，总是（通常用于句末）例：It rained all the time.23.tons of 大量的，许多的（后面接可数名词复数或不可数名词）例：I bought tons of apples while they were cheap. Theyre got tons of money.24. too much+不可数名词 太多 much too+形容词/副词 太 too many+可数名词复数 太多例：There is too much noise in the classroom. The book is much too dear. There are too

28、many passengers on the bus.练一练：At -Yes,but dont eat_.A. too much;too much B.much too;too much C.too much;much too D.much too;much too25. worry about 为担忧/担心/烦恼练一练：There is nothing wrong with you mother.Please dont _her.A. worry about B.take pride in C.pay attention to D.listen toI really worry_ my fr

29、iend.He is ill in hospital.A. about B.at C.in D.of26. hang out 闲逛27. guard （可数名词）守卫，警卫 （动词） 守卫，保卫28. be prepared to do sth 准备好做某事，愿意做某事 be prepared for sth 为做好准备例：Im prepared to take the exam.29. give up+名词/代词/动名词 放弃（代词放中间 give it up）例：We should never give up hope. I will never give up doing sports

30、English is very important. Dont give it up.练一练：Many successful people have the same quality-they never _ no matter what difficulities theyve had.A. give up B.stay up C.cheer up D.look upDad,smoking is bad for your health.Youd better_.A. give up it B.give it up C.give it back D.give back it30. requir

31、e+名词/代词作宾语 require sb to do sth 要求某人做某事例：The job requires strength. They required us to help them.31. a number of+可数名词复数+谓语动词复数 许多 the number of+可数名词复数+谓语动词单数 的数量例：A number of apples are red. The number of studennts is 2000.练一练：-What _ the number of the students in your school? -About two thousand.

32、A number of them _from the countryside.A. is;are B.is;is C.are;is D.are;are32. at least 至少 at most 至多，最多例：He plays basketball at least twice a week.33. alone adj.作表语/adv.作状语 表示（客观上）独自，孤单，数量上就一个 lonely adj.作表语或定语 表示（主观感情上的）孤单寂寞例：He lives alone,but he never feels lonely.练一练：Though he is _ at home,he d

33、oesnt feel _ for he has many things to do.A. alone,lonely B.lonely,alone C.alone,alone D.alone,lonely34. give a speech=give a talk 做演讲35. in public=in public places 当众，公开地36. 15-year-old boy=15 years old boy 一个15岁的男孩练一练：Lucy is a _girl.A.13 years old B.13-year old C.13-year-old D.13-year-oldUp to no

34、w the Chinese Communist Party（中国共产党）has nearly a _ history.A.93 years B.93-year C.93-years D.93-years37. be good at=do well in 擅长做某事38. have difficulities in sth/doing sth 在（做）某事方面有困难39. cause 及物动词，意为“引起，造成，导致，使发生”，常用结构有cause sb sth=cause sth for sb;cause sb to do sth. cause problems=cause trouble意为

35、“惹麻烦，引起麻烦”。例：The heavy snow caused the accident What caused him to quit his job? He used to caused his parents a lot of trouble.=He used to cause a lot of trouble for his parents.名词，意为“原因，起因”例：The cause of the accident is not known.40. move to 搬到41. look for 寻找42. take care of=look after 照顾，照看 take

36、care 小心练一练：Thank you for your invitation,but Im so sorry that I cant go.I need to _ my baby.A. take away B.take off C.take care of D.take out of43. influence 及物动词 “影响” 名词 “影响，作用” have an influence on sb 对某人有影响例：The weather influences the crops（农作物） His idea has a great influence on me.练一练：She had a

37、bad _ on the rest of the class.44. absent from 缺席，不在场 absence 名词 缺席，不在 absent 形容词 缺席的，不在场的例：The decision was made in my absence. They were absent from work that day.45. fail to do sth 未能/没能做某事例：I failed to pass the driving test.46. finally adv. 最后，终于=in the end=at last（在句中作状语，通常位于句首，句末或实义动词之前，连系动词、助

38、动词或情态动词之后）47. make the/a decision to do sth=decide to do sth 决定做某事例：He made a decision to learn medicine. =He decided to learn medicine.练一练：Please help him or her to _ a decision.A. make B.makes C.do D.have48. send sb to sp 把某人送去某地49. advise sb to do sth 建议某人做某事 advise doing sth 建议做某事例：The boss advi

39、sed him to leave as soon as possible. He advised leaving early.50. talk with sb 和某人交谈51. in person 亲自例：You should ask him in person.52.24-hour 5-hour 数字+连字符+名次单数构成的复合形容词，在句中作定语。例：a 4-day holiday a 5-year plan53. exactly adv. 正好，恰好，确切地，精确地 exact adj. 精确的，确切的例：Thats exactly what I wanted to buy. I know her birthday in July,but I cant remember the exact date.练一练：He told me the whole story _ (exact) as it happened.54. e