八年级下册单元知识点

1、第一单元知识点Unit 1 Will people have robots?be doing表示将来be going to do表示将来will do表示将来There be 句型表示的是 “某地（时）有某人（物）”，强调“存在关系”。Have则表示“某人（物）所有”，强调“所属关系” For exampleThere is a bus in our factory. （公共汽车不一定属于我们厂所有）Our factory has a bus. (公共汽车属于我们厂所有)There be句型将来时表达方式，肯定：There will be否定 There wont be一般疑问句 Will t

2、here be? 肯定回答 Yes, there will. 否定回答No, there wont.more的意思是“更多的”，它是many和much的比较级，它可以用来修饰可数名词的复数或者不可数名词；less adj. 较少的;少量的(little的比较级) fewer 也表示较少的，少量的. 但less和fewer有区别 less 一般修饰不可数名词. fewer 修饰可数名词. There will be less pollution. live in an apartment 住在公寓里 on the weekend 在周末 be able to do sth =can do sth

3、能够. come ture 实现 want to do sth = would like to do sth 想要去做某事 make sb do sth 让某人做某事 in the future 将来 help sb with sth 在某方面帮助某人. hundreds of (hundred 后加s就一定要加of) try to do sth 尽力做某事 Youd better do sth 你最好做某事 wake sb up 叫醒某人 the same as 和 一样 study at home on computers 在家用电脑学习 on vacation 度假 do the mos

4、t unpleasant jobs.做最不愉快的工作（unpleasant反义词pleasant） do the same things as a person.做像人一样的事情 live to be 200 years old 活到两百岁 as a reporter 作为一名记者。 agree with sb同意某人意见 go doing sth. 结构，表示“去做 go skating去滑冰 go swimming 去游泳 fall in love with a girl 爱上一个女孩（fallfellfallen）. alone（独自;单独）live alone一个人住 lonely表示

5、（孤独的，寂寞的） keep 有好几个意思，1在本课中做“饲养;喂养keep a pet parrot 养一只宠物鹦鹉 2 保持(某状态)：Keep silent! 保持沉默! Keep healthy(保持健康) During the week “在工作日里” wear表示“穿”，表示状态He wears a hat 。 put on是“穿上”，“戴上”的意思，强调动作 dress oneself/casually 为自己穿衣服/穿着随意 see sb. do sth.，“看到某人做某事”中 be free 免费，有空 take the rockets to the moon 乘火箭去月球

6、wear a suit 穿套装 win award 获奖 next time 下一次 fly to the moon飞到月球 be used by most people 被大多数人使用 live in space 在太空居住 do such jobs 做如此的工作Such作形容词，意思是“如此的”“这样的”，修饰各种名词。如果名词是可数名词的单数形式，such和so的位置不同：such+a/an+形容词+单数名词so+形容词+a/an+单数名词如果名词是不可数名词或名词复数，只可用such,不能用so. such+形容词+不可数名词或复数名词 get bored感觉无聊 over and o

7、ver again 一再地，反复地 look like 看起来（更）像 help (sb.) (to) do sth. 帮助（某人）做某事 one of 名词复数（之一）after an earthquake地震之后What do you think Sally will be in ten years? 你认为萨莉10年之后将会是什么样子?此句中的do you think是插入语，其后接的宾语从句必须用陈述句语序。Shell be a reporter in ten years.（十年后） 十年后她会是一个记者 One day I might even visit Australia.甚至有

8、一天我可能去参观澳大利亚。(might在此处为或许可能之意,是个情态动词.)Its + adj +for + sb to do sth 做某事对某人来说是的.It will be difficult for a robot to do the same thing as a person. It takes/took/will take sb sometime to do sth 做某事花费了某人多少时间。It will take scientists more time to make robots look like snakes.What do you think the weather

9、 will be like tomorrow? 你认为明天的天气怎样? What will teenagers do for fun twenty years from now? 二十年后年轻人将如何娱乐I want to work for myself when Im older. 当我大点的时候，我想为自己工作。I need to look smart for my job interview.为了我工作面试，我需要看上去时髦点Predicting the future can be difficult. 展望未来有困难Humans will have less work to do.人类

10、将有更少的工作可做We never know what will happen in the future.我们不知道将来会发生什么。第二单元知识点Unit 2 what should I do?should是情态动词，必须和其他动词一起构成谓语。情态动词没有人称和数的变化，意为"应该."。在这个单元中我们还学到用"could"表示建议，比should更加委婉的建议Whats wrong with sb=whats the matter with sb? 表建议的句型 why dont you talk to him about it?=why not

11、talk to him about it?=You should/could talk to him about it.=how/what about talking to him about it?=Youd better talk to him about it.want sb. to do sth. 想要某人做某事give sb. sth.= give sth to sb.给某人某物return sth. to sb.=give sth. back to sb.把某物归还给某人on the phone 在电话里tell sb. (not) to do sth. 告诉某人（不）做某事som

12、e advice 一些建议advice (不可数名词) not.until 直到才nothing new 没什么新东西see sb. doing sth. 看见某人正在做某事by oneself 独自 after-school activities 课外活动join “参加，加入， 指加入某党派，团体，人群，游戏等成为一个成员 take part in 表示“参加，加入”，指参加某一活动。forget 指大脑不能记起或回忆不出过去的人或事leave (left) 指因粗心把某物落在某处。He cant pay for the book, because he left his wallet(钱

13、包) at home. be angry with sb对某人生气be original新颖的have a bake sale卖烧烤take sb fromto带某人从到pay for付款 1 sb. pay some money for sth. 某人为某物花费多少钱 2sb. spend some time (money) on sth./ sb. spend some time doing sth.某人花费金钱或时间在某事上或做某事ask sb for sth向某人要求某物the same as与同样的get on相处;进展get on well with sb 与某人相处融洽You c

14、ould write him a letter.你可以给他写份信 write sb a letter=write to sb=write a letter to sb给某人写信a bit =a little 一点儿（修饰形容词或比较级）seem to do 仿佛做某事 seem like 看起来像buy sth for sb为买东西fail the test=not pass the test考试不及格the same age as=as old as 和- 年龄一样try to do sth, 尽量干某事 try doing sth 试着干某事competition starts from

15、a very young age 竞争从很小年纪就开始了organized activities 有组织的活动play CDs too loud影碟放得太大声了argue with sb与某人争论/吵out of style(=out of fashion) 过时in style (=in fashion)流行keep sb out 不让进入call sb up 打电话给（=ring sb up=phone sb=give a call to sb=call sb）a ticket to a ball game球票a ticket for (to)的票surprise (v) 使惊奇 surp

16、rised感到惊奇的surprising惊奇的“find”指偶然发现一个事实或道理；“find out”经过询问、打听之后搞清某事，强调“付出了努力” have a fight with sb 与某人打架asas possible 尽可能（=asas sb can）fitinto找到时间来做某事try to fit as much as possible into their kidslives. 并且尽可能多地尽可能多地充实到孩子们的生活中来。under the pressure of 在的压力下complain about sth/doing sth 抱怨Teachers complain

17、 about teaching tired kids 老师抱怨教疲惫的孩子send sb to 把某人送到all kind of各种各样的Mothers send their kids to all kinds of classes母亲送孩子去各种补习班 compare sb with sb 将某人与某人相比push sb to do sth强迫某人做某事think for 为着想find it +adj.+to do sth.发现做某事很怎样children may find it hard to think for themselves when they are older.这些孩子当他

18、们长大后可能会发现为自己考虑事情很难。on the one hand ，on the other hand一方面，另一方面need sth to do sth 需要什来On the one hand，children need organized activities. On the other hand ,they also need time and freedom to relax.一方面孩子需要有组织的活动，另一方面他们需要时间和自由去放松。Enough为形容词，意思是“足够的”；enough +名词enough money; 形容词或副词+enough；busy enough足够忙b

19、orrow“借入，”即说话人向他人借东西borrow sth from sb.; lend-lent-lent“借出，”即说话人把自己的东西借给他人lend sb sth= lend sth to sb talk about谈论talk to sb和talk with sb 均表示“和某人谈话” maybe是副词"也许，或许，大概"Maybe you should call him up.或许你应该给他打电话，may be是情态动词may加上动词原形be，意为"或许"，后接形容词、名词、代词等。. It may be true.它可能是对的。he doe

20、sn't have any money, either。用在否定句后表示"也" Everyone else in my class was invited except me.除我外，班上的其他同学都被邀请了except可表示“除之外” else，其他的，副词，一般修饰疑问词、不定代词，不能修饰名词Activities include sports, language learning, music and math classes.第三单元知识点What were you doing when the UFO arrived ?过去进行时构were/was+vin

21、g过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作。 1 when 与while引导时间状语从句的区别“when”后既可以加一般过去时，又可加进行时。一般过去时只是单纯地说明过去的某个事实，即“有过这事”；而while一定是进行时而过去进行时强调动作的连贯性、一直性。  2. when后通常用表示暂短性动词，while后通常用表示持续性动词I was getting out of the shower while the UFO arrived 当飞碟到达时我正从浴室往出走。get out of .出去、离开；get into走进，进入walk down (=walk al

22、ong )the street沿着街道走I was walking down the street when a UFO landed right in front of(在。前面 me。当飞碟恰好降落在我眼前是我正走在大街上。Right(副词)正好：刚好cut (ones)hair   理发kid v欺骗；哄骗Youre kidding你在开玩笑anywhere adv到处；无论哪里（用于否定句和一般疑问句中）Did you go anywhere yesterday? 你昨天去了什么地方吗？happen v发生Sth. happen to +名词 发生于身上She ho

23、ped nothing bad would happen to him他希望没有坏事发生在他身上。run away 跑开；迅速离开；逃走 in the barber shop=in the barber's. 在理发店at the doctor's （在诊所；在医院 在表示诊所、店铺或某人的家时，经常用名词所有格的形式）She is staying at Mary's她正呆在玛丽家See sb. Do sth. 看见某人做(过)某事She saw the alien get out.  她看见外星人出来.（amazing惊奇的amazed感到惊奇的）

24、比surprising更具意外性 in the library在图书馆sleep late睡懒觉take off(飞机)起飞；脱下（衣帽）on Sunday evening在星期日晚上（特指某日如星期、假日、某月某日或某个特定的上、下午、晚上用on）take photos照相at the train station在火车站run away跑开，逃跑as+adj原形 as和一样in the tree在树上（树以外）on the tree在树上（树本身）in history在历史上for example例如on the playground在操场上in the city of在市ten minut

25、es ago十分钟前take place发生（强调必然性）of course=sure=certainly当然all over the world=around the world遍及全世界outside/inside the station在车站外/内next to相邻，紧贴hear about/of 听说（间接听到）in silence沉默不语an unusual experience 一次不寻常的经历have fun doing sth 干某事有乐趣have meaning to 对有意义a national hero 一个民族英雄for the first time 第一次h

26、ow strange it was！（How+形容词+主语+be动词！）多奇怪啊！感叹句的构成：What +a/an+形容词+单数名词+主语+谓语！What a good book it is!多好的一本书啊！ What+形容词+不可数名词+主语+谓语！What cold weather it is! 天气真冷啊！How +副词+主语+谓语！How hard they are working!他们工作多努力啊！think about doing sth考虑做某事I followed to see where it was going.我跟随想看看他将无那里follow sb to do sth

27、跟随某人做某事Isnt that amazing!难道那不令人惊奇吗！I was so tired this morning. It was difficult to get out of the bed.今早我太累了，起床对我来说很困难。the news of important events重大事件的消息in the street(英)也可以用on the street在街上be scared =be afraid(某人)给吓坏了,害怕了be scared of /at sth害怕某事Are you scared of snakes?你怕蛇吗？be scared to do sth 害怕做

28、某事shout at sb对某人喊叫(有斥责之意) shout to sb对某人喊叫arrive, get和reach的区别。reach地点=get to地点=arrive in/at地点 （到达某地）talk on the phone 打电话buy a souvenir买纪念品climb a tree爬树 jump down跳下来another dog另一只狗murder sb谋杀某人for the first time第一次the Museum of Flight航空博物馆 experience经历（可数名词）None of the others have lived my experie

29、nces .没有人体验过我的经历。经验（不可数名词）he has rich experience in teaching他有丰富的教学经验。World Trade Center in New York was destroyed by terrorists.纽约的世贸中心被恐怖分子摧毁了Not all events in history are as terrible as this, of course.当然不是所有的历史事件都和这个一样恐怖。all, both, each,every与not连用时，只表示部分否定His flight around the Earth lasted abou

30、t 22 hours.他绕地球的飞行持续了大约22小时。第四单元知识点 He said I was hard-working.直接引语: 直接引述别人的原话, 直接引语必须放在引号内. 间接引语: 用自己话转述别人的话, 间接引语一般构成宾语从句.直接引语变为间接引语时，1通常受转述动词said，told, asked等的影响而使用过去化的时态.2直接引语改为间接引语时，当原句是陈述由that引导（可以省略）。一般疑问句由直由if 引导变陈述语序，特殊疑问仍由原来的疑问词引导变为陈述语序。祈使句引述动词常用tell，ask而把间接祈使句变成带to的不定式短语。3人称变化规律（一随主，二随宾，三

31、不变）first of all 首先近义词组at first/at the beginning do well in在某方面做的好 in good health 健康care for照顾，照料Hows it going? 最近好吗？Forget to do sth.忘记做某事(还没有做)Forget doing sth.忘记做过某事(已经做过了)remember to do sth.记得做某事 (还没有做)remember doing sth.记得做过某事(已经做过了)I said I didn't think it was a good idea for her to copy my

32、 homework.注意:think 用法：如果think 引导的宾语从句，其从句表示否定意思时，不是否定从句，而是否定主句。have a surprise party for sb为某人举行一个惊喜的派对。Im not mad at Marcia anymore.我很生玛西亚的气。be/get mad at/with sb. 生某人的气bring sth to sw/sb.把某物带到某地/某人do a homework project =work on a homework project做家庭作业notany more不再 Pass on the message。传信take a mess

33、age for sb 捎个口信（给某人）leave a message 留言call sb with a message for C打电话给某人让他捎信给C pass sb sth (=pass sth to sb) 把传给某人You were supposed to meet at bus stop this morning .你们今早应该在公车站见面be supposed to do sth 理应做某事；被要I finished my end-of-year exams last week and got my report card today我上周考完期末考试，今天拿到了成绩单。the

34、 end-of-year exams 期末考试get ones report card 收到某人的成绩报告单I always get nervous when I see the envelope from school in the mail.当我在邮件中看到来自学校的信封，通常变得紧张。get nervous 变得不安（=be stressed out）envelope from 来自的信封She said I was lazy .他说我很懒。“true”意为“真实的，属实的”Its just that I find science really difficult.只是我发现科学真的很难

35、Another disappointing result was in history.另一个失望的结果在历史。disappointing,令人失望的disappointed感到令人失望的It all started when she asked me if she could copy my homework.这一切发生在当她问我她是否能抄我的作业。copy homework 抄作业She should do her own homework.她应该做自己的作业。own(adj) 属于自己的“own”不可单独使用，只能用在所有格之后，起加强语气的作用have a really hard ti

36、me with science 自然课学得很吃力have a hard time with sth/in doing sth某方面吃力或艰难start a bad habit养成/开始坏习惯Im sure that 我确信sound like fun to sb对你来说听起来是件趣事the Ministry Education教育部sea level 海平面I was sure she would get over it.我相信她能原谅它。get over原谅克服从中恢复过来She said helping others changed her life .她说帮助他人改变了她的生活。chan

37、ge ones life=change the life of sb改变某人的生活The Peking University graduate first went there as a volunteer on a one-year program 北大毕业生在一个一年节目中首先去了那儿当了一名志愿者。The Peking University graduate 北大毕业生as a volunteer担任支教on a one-year program在一个一年节目中Every year they send 100 volunteers to teach in Chinas rural are

38、as.每年他们都送100名志愿者去中国的乡村地去任教。Fortunately，Yang Leis mother agreed with her daughters decision.幸运的是，杨蕾的妈妈同意她女儿的决定。fortunately =luckily幸运地“fortunately”常修饰整个句子；常放句首或句末。decision（名词）决定make a decision to do sth 决定做某事(=decide to do sth)senior high school 高中There often isnt money for education. 通常没有钱来接受教育。I ca

39、n open up my studentseyes to outside world and give them a good start in life.我可以打开我的学生们对外面世界的视野并在生活中给他们一个好的开端。open up ones eyes to the outside world打开某人对外面世界的视open up ones eyes 打开的眼界 / 拓展学生的视野野give sb a good start in life给某人生活一个好的开始She said she likes being a good influence in childrens lives.她说她喜欢在

40、孩子们的生活中成为一个好的影响。be a good influence in ones life在某人的生活中有一个好的影响make sb. do sth.使得某人做某事wild animals野生动物 in danger处于危险中的dangerous 危险的Im sorry to hear that he had a bad cold last week.上周听说他感冒了我真的很遗憾send ones love to sb向某人问好rural areas边远山区第五单元知识点Unit 5If you go to the party，youll have a great time!1. if条

41、件句用一般现在表示将来的时间2表示假设的情况可能发生If you do, youll 3条件状语从句用if引导，意为“如果、假如”，主句不能用be going to表示将来，而应用will。4注意宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”引导宾语从句，时态需根据语境确定。I don't know if it will rain tomorrow. 我不知道明天是否会下雨。too much 后接不可数名词（数量多）”much too后接形容词“太”much too heavy 太重了too much water.太多的水be famous for表示“因而出名”

42、for后接表示出名的原因；be famous as则表示“以身份而著名”as 后接职业、身份或地位I want you to remember the rules for school parties.我想让你记住参加学校聚会的规则want sb to do sth. 想让某人做某事travel around the world 周游世界 half the class一半同学 half an hour半小时a professional athlete  职业运动员begin the story with the words.以这些话开头讲这个故事begin with “以开

43、始take away 运走，取走 Don't take it away.不要将它拿走make a living谋生 He makes living as a driver. 他以开车谋生。Make a lot of money  挣很多钱 Let sb in 允许进入let sb do sth让某人做某事be late for迟到Becoming a professional athlete might seem like a dream job.成为一名职业运动员可能似乎是一份理想的职业might (表示可能性，推测一般表示比may 较低的可能性) mi

44、ght seem like或许看起来像seem like+ 名词 好像，似乎You'll be able to make a living doing something you love. 你能做你喜欢的事来谋生“make a living (by) doing sth ”通过做来谋生 be able to +动词原形“有能力做某事” Doing something you love.做你喜爱的事。People all over the world will know you.全世界的人将会认识你。all over the world （全世界）This is a great chance that many people do not have这是一个许多人所不能得到的难得的机会。have a chane to do stn有机会做某事.Watch you all the time and follow you everywhere.一直看着你，你走到哪都跟着你。all the time 一直every