1、九年级英语知识点汇总Unit11.by + doing通过方式如：bystudyingwith a groupby还可以表示：“在旁”、“靠近”、“在期间”、“用、”“经过”、“乘车”等如：I live by the river.I have to go back by ten oclock.The thief entered the room by the window.The student went to park by bus.2.talk about谈论，议论，讨论如：The students often talk about movie after class. 学生们常常在课后讨
2、论电影。talk to sb. = talk with sb.与某人说话3.提建议的句子：What/ how about +doingsth.?如：What/ How about going shopping?Why dont you +dosth.?如：Why dont you go shopping?Why not +dosth. ?如：Why not go shopping?Lets +dosth.如： Lets go shoppingShall we/ I +dosth.?如：Shall we/ I go shopping?4.a lot许多常用于句末 如：I eat a lot. 我
3、吃了许多。5.tooto太而不能常用的句型too+adj./adv. + to do sth.如：Imtoo tired to sayanything. 我太累了，什么都不想说。6.aloud, loud与loudly的用法三个词都与大声或响亮有关。aloud是副词,重点在出声能让人听见,但声音不一定很大,常用在读书或说话上。通常放在动词之后。aloud没有比较级形式。如: He read the story aloud to his son.他朗读那篇故事给他儿子听。loud可作形容词或副词。用作副词时,常与speak, talk,laugh等动词连用,多用于比较级,须放在动词之后。如:Sh
4、e told us to speak a little louder. 她让我们说大声一点。loudly是副词,与loud同义,有时两者可替换使用,但往往含有令人讨厌或打扰别人的意思,可位于动词之前或之后。如:He does not talk loudly or laugh loudly in public. 他不当众大声谈笑。7.not at all一点也不根本不如：I like milk very much. I dontlike coffeeat all. 我非常喜欢牛奶。我一点也不喜欢咖啡。not经常可以和助动词结合在一起，at all则放在句尾8. be / get excited
5、about sth.=be / get excited about doing sth.=be excited to do sth.对感兴奋如：I am / get excitedabout goingto Beijing.=I am excitedto goto Beijing. 我对去北京感到兴奋。9. end up doing sth终止做某事，结束做某事如：The partyended up singing. 晚会以唱歌而结束。end up with sth.以结束如：The partyended up with her singing. 晚会以她的歌唱而告终。10. first of
6、 all首先.to begin with一开始later on后来、随11.also也、而且（用于肯定句）常在句子的中间either也（用于否定句）常在句末too也 (用于肯定句)常在句末12. make mistakes 犯错 如：I often make mistakes. 我经常犯错。make a mistake 犯一个错误 如： I have made a mistake.我已经犯了一个错误。13.laugh at sb. 笑话；取笑（某人） 如：Dont laugh at me!不要取笑我!14. take notes 做笔记，做记录15.enjoy doing sth .喜欢做乐意
7、做 如：Sheenjoys playingfootball. 她喜欢踢足球。enjoy oneself过得愉快 如：He enjoyed himself. 他过得愉快。16. native speaker 说本族语的人17. make up 组成、构成18.one of +(the+形容词比较级)+名词复数形式其中之一如： She is one of the most popularteachers.她是最受欢迎的教师之一。19.Its +形容词+(for sb. ) to do sth.(对于某人来说)做某事如：Its difficult (for me ) to study English
8、.对于我来说学习英语太难了。句中的it是形式主语，真正的主语是to study English20.practice doing练习做某事如：She oftenpractice speakingEnglish. 她经常练习说英语。21.decide to do sth.决定做某事如：LiLei hasdecided to goto BeiJing . 李雷已经决定去北京。22.unless假如不，除非引导条件状语从句如：You will fail unless you work hard.假如你不努力你会失败。I wont write unless he writes first. 除非他先写
9、要不我不写23.deal with处理如：I dealt with a lot of problem.24.worry about sb./ sth.担心某人/某事如：Mother worried about his son just now.妈妈刚才担心他的儿子。25.be angry with sb.对某人生气如：I was angry with her. 我对她生气。26.perhaps = maybe也许27. go by (时间) 过去 如： Two years went by. 两年过去了。28. see sb. / sth. doing看见某人正在做某事强调正在发生see sb.
10、 / sth. do看见某人在做某事如：如： She saw himdrawinga picture in the classroom.她看见他正在教室里画画。29.each other彼此30.regard as 把看作为.如：The boys regarded Anna as a fool. 这些男孩把安娜看成傻瓜。31. too many许多修饰可数名词如：too manygirlstoo much许多修饰不可数名词如：too muchmilkmuch too太修饰形容词如：much toobeautiful32.changeinto将变为如：The magician changed t
11、he pen into a book. 这个魔术师将这本书变为一本书。33.with the help of sb. = with ones help在某人的帮助下如：with the help of LiLei = with LiLeis help在李雷的帮助下pare to 把与相比如：Compare you to Anna, you are lucky.你和安娜相比，你是幸运的。35. instead代替用在句末，副词（字面上常不译出来）instead of sth. / doing sth.代替，而不是用在句中，动词如：Last summer I went to Beijing. Th
12、is year Im going to Shanghaiinstead.去年夏天我去北京, 今年我将要去上海。I will goinstead of you. 我将代替你去。He stayed at homeinstead of goingswimming.他呆在家里而不是去游泳。九年级英语Unit21.used to do sth.过去常常做某事否定形式：didnt use to do sth. / used not to do sth.如：Heused toplay football after school. 放学后他过去常常踢足球。Didheuse to playfootball? Y
13、es, Idid. No, Ididnt.Hedidnt use to smoke. 他过去不吸烟。2.反意疑问句肯定陈述句否定提问如：Lilyisa student,isnt she?Lilywillgo to China,wont she?否定陈述句肯定提问如：Shedoesnt comefrom China,does she?Youhavent finishedhomework,have you?提问部分用代词而不用名词Lilyis a student, isntshe?陈述句中含有否定意义的词，如：little, few, never, nothing, hardly等。其反意疑问句用
14、肯定式。如：HeknowslittleEnglish,does he?他一点也不懂英语，不是吗？Theyhardlyunderstoodit,did they?他们几乎不明白，不是吗？3. play the piano弹钢琴4.be interested in sth.对感兴趣be interested in doing sth.对做感兴趣如：Heis interested in math, but heisnt interested in speaking English. 他对数学感兴趣，但是他对说英语不感兴趣。5. interestedadj. 感兴趣的，指人对某事物感兴趣，往往主语是人
15、interestingadj.有趣的，指某事物/某人具有趣味，主语往往是物6.still仍然，还用在be动词的后面如：Im stilla student.用在行为动词的前面如：Istill lovehim.7. the dark 天黑，晚上，黑暗8.害怕be terrified of sth.如：I am terrified ofthe dog.be terrified of doing sth.如：I am terrified ofspeaking.9.on副词，表示（电灯、电视、机械等）在运转中/打开，其反义词off.with the light on 灯开着10. walk to som
16、ewhere 步行到某处 walk to school 步行到学校11.spend动词，表示“花费金钱、时间”spendon sth.在某事上花费（金钱、时间）spenddoing sth.花费（金钱、时间）去做某事如：He spends too much time on clothes. 他花费太多的时间在衣着He spend 3 monthsbuildingthe bridge.他花费了三个月去建这座桥。Pay for花费如：I pay 10 yuan for the book. 我花了10元买这本书。12.take动词有“花费”的意思常用的结构有：take sb. to do sth.如
17、：Ittakes me a dayto readthe book.take to do sth.13.chat with sb.与某人闲聊如：I like tochat withhim.我喜欢和他聊天。14.worry about sb./ sth.担心某人/某事worry 是动词be worried about sb./sth.担心某人/某事worried 是形容词如：Dontworryabout him. 不用担心他。Motheris worriedabout her son. 妈妈担心他的儿子。15. all the time 一直、始终16.take sb. to +地方送/带某人去某
18、个地方如：A persontook him to the hospital. 一个人把他送到了医院。Luitook me home. 刘把我送回了家。(home的前面不能用to)17.hardlyadv. 几乎不、没有hardly ever很少hardly修饰动词时，通常放在助动词、情态动词之后，实义动词之前助动词/情态动词hardlyhardly +实义动词如：Ican hardlyunderstand them. 我几乎不能够明白他们。Ihardly havetime to do it. 我几乎没有时间去做了。18. missv.思念、想念、错过19.in the last few yea
19、rs.在过去的几年内常与完成时连用如：Ihave livedin China in the last few years.在过去的几年内我在中国住。20. be different from 与不同21. how to swim 怎样游泳不定式与疑问词连用：动词不定式可以和what, which, how, where, when 等引导的疑问句连用，构成不定工短语。如：The question iswhen to start. 问题是什么时候开始。I dont knowwhere to go.我不知道去哪。22.make sb./ sth. +形容词make youhappymake sb.
20、/ sth. +动词原形make himlaugh23.move to +地方搬到某地如：I moved to Beijing last year.24.it seems that +从句看起来好像如：It seems that he has changed a lot. 看起来他好像变了许多。25.help sb. with sth.帮某人某事help sb. (to ) do sth.帮某人做某事She helped mewith English.她帮助我学英语。She helped me(to) study English。她帮助我学习英语。26.fifteen-year-old作形容词
21、15岁的fifteen-year-olds作名词指15岁的人fifteen years old指年龄15岁如：afifteen-year-old boy一个15岁的男孩Fifteen-year-oldslike to sing. 15岁的人喜欢唱歌。I amfifteen years old. 我是15岁。27.支付不起cant /couldnt afford to do sth.cant / couldnt afford sth.如：I cant/couldnt affordto buy the car.I cant/couldnt affordthe car.我买不起这个辆小车。28.as
22、 +形容词./副词as sb. could/can尽某人的能力如：Zhou runas fast as her could/can.她尽她最快的能力去跑。29. get into trouble with 遇到麻烦30. in the end 最后31.make a decision下决定下决心32.to ones surprise令某人惊讶如：to their surprise令他们惊讶to LiLeis surprise令李雷惊讶33. take pride in sth. 以而自豪如：His father alwaystake pride in him. 他的爸爸总是以他而自豪34.pa
23、y attention to sth.对注意，留心如：You mustpay attention to your friend. 你应该多注意你的朋友。35.be able to do sth.能做某事如：She is able to do it. 她能够做到。36.give up doing sth.放弃做某事如：My father has given up smoking. 我爸爸已经放弃吸烟了。37.不再no more = no longer如：I play tennis no more/ longer.我不再打网球。not any more = not any longer如：Idon
24、tplay tennisany more/longer. 我不再打网球。38.go to sleep入睡九年级英语Unit31.语态：英语有两种语态：主动语态和补动语态主动语态表示是动作的执行者被动语态表示主语是动作的承受者Catseatfish. （主动语态）猫吃鱼。Fishis eatenby cats.(被动语态)鱼被猫吃。被动语态的构成由“助动词be及物动词的过去分词”构成助动词be 有人称、数和时态的变化，其变化规则与be 作为连系动词时完全一样。时态被动语态结构例句一般现在时amare +过去分词isEnglishis spokenin many countries.一般过去时wa
25、s +过去分词were +过去分词This bridgewas builtin 1989.情 态动 词can/shouldmay+be+过去分词must/The workmust be doneright now.被动语态的用法当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只需强调动作的承受者时，要用被动语态。2.allow sb. to do sth. 允许某人做某事（主动语态）如： Motherallows me to watchTV every night. 妈妈允许我每晚看电视。be allowed to do sth.被允许做某事（被动语态）如：LiLyis a
26、llowed to goto Qinzhou. 莉莉被允许去钦州。3. get their ears pierced 穿耳洞让/使（别人）做某事get sth. done(过去分词)have sth. done如：Igetmy carmade. = Ihavemy carmade. 我让别人修好我的车4. enough 足够形容词enough如：beautiful enough足够漂亮enough名词如：enough food 足够食物enoughto足够去做如：I haveenough money togo to Beijing. 我有足够的钱去北京。She isold enough tog
27、o to school.她够大去读书了。5.stop doing sth.停止做某事Pleasestop speaking.请停止说话。stop to do sth.停止下来去做某事Pleasestop to speak.请停下来说话。6. 看起来好像sb. seem to do sth. = it seems that +从句He seems to feelvery sad.It seems thathe feels very sad. 他看起来好像很伤心。7.系动词不能独立作谓语，要和表语一起构成谓语。常用的连系动词有：look, feel, be, become, get, turn,
28、smell, taste, stay(保持), kept等。连系动词除be和become等少数词可接名词作表语外，一般都是接形容词。如：Theyare very happy.He becamea doctortwo years ago. Shefelt very tired.8.倒装句:由so助动词(be/do/will/have)/情态动词主语意为：也是一样Sheisa student. Soam I.她是一个学生，我也是。Shewentto school just now. SodidI . 她刚才去学校了，我也是Shehasfinished the work. SohaveI . 她已经
29、完成了工作,我也完成了。Shewillgo to school. Sowillhe.她将去学校，他也是。9.yet仍然，还常用在否定句或疑问句当中10.stay up熬夜如：I oftenstay upuntil 12:00pm.我经常熬夜到12点。11.clean up打扫整理如：I havecleaned upthe bedroom. 我已经打扫完了卧室。12.程度副词：always总是usually经常sometimes有时never从不如：I am always/usually/sometimes/never late for school.我总是/经常/有时/从不上学迟到。13.曾经
30、做某事：Do you ever getto school late?Yes, I do. No, I dont.Have you ever gotto school late?Yes, I have. No, I havent.14.go shopping(去购物), go fishing(去钓鱼), go swimming(去游泳), go boating(去划船), go hiking(去登山), go trekking(去徒步)15.be strict with sb.对某人严厉如：Motheris strict with her son. 妈妈对她的儿子很严厉。16.take the
31、test参加考试pass the test通过考试fail a test考试失败17. the other day 前几天18.agree同意反义词disagree不同意动词agreement同意反义词disagreement不同意名词18.keep sb/ sth.形容词使某人/某物保持.如：We shouldkeep our city clean.我们应该保持我们的城市干净。19.bothand+动词复数形式如：Both Jim and Li Mingplaybastketball.20.learn (sth.) from sb.向谁学习(什么)如：Jimlearnt English fr
32、om his English teacher. 吉姆向他的英语老师学习英语21.have an opportunity to do sth.有机会做某事have a chance of doing sth.有机会做某事如：I have an opportunityto goto Beijing.I have a chanceof goingto Beijing.22.at present目前23.at least最少at most最多24.花费take ,cost, spend , paysth.take (sb.) time to dosth.Ittook (me) 10days to re
33、adthe book.sth.cost (sb.) The bookcost (me) 100yuan.sb.spend on sth.Shespent10dayson this book.sb.spend doing sth.Shespent10daysreadingthis book.sb.pay for sth.Shepaid10yuanforthis book.25.have +时间段+off放假，休息如：have 2 days off26. reply to 答复某人 如：She replayed to MrGreen.27.agree with sth.同意某事如：I agreew
34、ith that idea.agree to sb.同意某人的意见如：I agreeto LiLei.28.get in the way of碍事，妨碍如：Her social life got in the way of her studies. 她的社会生活妨碍了她的学习。29.success n. succeed v. successful adj. successfully adv.30.think about与think of的区别当两者译为：认为、想起、记着时，两者可互用I often think about/ of that day. 我经常想起那天。think about还有“
35、考虑”之意，think of想到、想出时两者不能互用At last, he thought of a good idea. 最后他想出了一个好主意。We are thinking about going Qinzhou. 我们正在考虑去钦州。31.对热衷，对兴趣be serious about doing如：She is serious about dancing. 她对跳舞热衷。be serious about sth.如：She is serious about him. 她对他感兴趣。32.practice doing练习做某事She oftenpractice speakingEngl
36、ish.33. care about sb. 关心某人 如：Mother often care about her son.34.also也用于句中either也用于否定句且用于句末too也用于肯定句且用于句末I am also a student. 我也是一个学生I am a student too. 我也是一个学生。I am not a student either. 我也不是一个学生。九年级英语Unit41.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，虚拟语气表示说话人所说的话不是事实，而是一种祝愿，建
37、议或是与事实相反的假设等。If引导的条件状语从句分为真实和非真实条件句，非真实条件句应用虚拟语气。如果要表示与现在或将来事实相反时，其虚拟语气结构为：句型条件从句主句谓语动词形式动词过去式(be动词用were)would+动词原形即：(从句)if +主语+动词过去式(be动词用were),一般过去时(主句)主语+would+动词原形过去将来时如：If Ihadtime, Iwould gofor a walk.如果我有时间，我就会去散步。(事实上我现在没有时间)If Iwereyou, Iwould takean umbrella.假如我是你的话，我会带上雨伞。(事实上我不是你)Iwould
38、sayno if someoneaskedme to be in a movie. 假如有人请我当电影演员，我会表示拒绝。(事实上瑞没有人请我当电影演员)2.pretend to do sth.假装做某事Ipretended to sleepjust now.pretend +从句假装Ipretended that I fell asleep.3.be late for迟到如：Iam late for work/ school/ class/ party.4.a few与 a little的区别，few与 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
39、意义如：He hasa few friends.他有一些朋友。There isa little sugarin 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 hasfew friends.他没有几个朋友。There islittle sugarin the bottle.在瓶子里没有多少糖。5.still仍然,还用在be动词之后，行为动词之前如：Iam stilla student.我仍然是个学生Istill lovehim.我仍然爱他。6.hundred, thousand , million, billion (
40、十亿)词前面有数词或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7.what if +从句如果怎么办 ， 要是 又怎么样 如：What if she doesnt come? 要是她不来怎么办？What if LiLei knows?如果李雷知道了怎么办？8. add sth. to sth. 添加到如：I added some sugar to water. 我把糖添加到水里。9.系动词与形容词连用
41、get nervous 变得紧张feel shy觉得害羞 look friendly 看起来友好10.too +形/副+to do sth.太而不能如：Imtoo tired to stand. 我太累了而不能站。11.help with sth.如：Theyhelp with this problem.help sb. do.如：Theyhelp you relax. 他们帮助你放松12.in public在公共场所如:Dont smokein public.请不要在公共场所吸烟。13.energetic adj.活力的如：She is aenergeticgirl. 她是一个活力的女孩。energy n.活力如：She has lots ofenergies. 她有活力。14.ask sb.to do叫做某事
