2014新版八年级英语下册第一至第五单元知识点总结(共24页).doc

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1、精选优质文档-倾情为你奉上 34. As a result , he often fell ill and his grades dropped. 结果,他常常生病,功课也落下了。【解析1】as a result 结果 (插入语,放在句首,用逗号隔开) Dont ask him too late into the night, _As a result_ , he is only a small child.【解析2】fall ill 生病 fall asleep 入睡35 .The earlier kids learn to be independent , the better it is

2、 for their future. 孩子们越早学会独立,对他们的未来越好。【解析】the + 比较级, the + 比较级 “越. 越. ”The more you smile, the _ happier_ you will feel.Unit 4 Why dont you talk to your parents?一、基础知识1. Why dont you talk to your parents? 你为什么不和你打父母谈谈呢?【解析】Why dont you do sth ?= Why not do sth? 为什么不.呢?【拓展】用于提建议的句型有:(1)What about doi

3、ng sth ?=How about doing sth? .怎么样?(2)Why dont you do sth?= Why not do sth? 为什么不呢?(3)Lets do sth.让我们一起做某事吧。(4)Shall we/I do sth?我们做好吗?(5)had better do/not do sth 最好做/不做某事(6) Will/Would you please do sth 请你做好吗?(7) Would you like to do sth? 你想去做某事吗?(8)Would you mind doing sth?你介意做某事吗?【回答】(1). 同意对方的建议时

4、,一般用: Good idea./ Thats good idea. 好主意 OK/ All right./ Great 好/ 行/太好了 Yes, please ./ Id love to 是的/ 我愿意 I agree with you 我同意你的看法 No problem 没问题 Sure/ Of course/ Certainly 当然可以 Yes, I think so 对,我也这样想(2).对对方的帮助或要求表示委婉谢绝时,一般用: I dont think so 我认为不是这样 Sorry, I cant 对不起,我不能 Id love to, but Im afraid我愿意,

5、但恐怕2.I have to study too much so I dont get enough sleep. 我要学的太多,因此我睡眠不足。【解析1】(1)too many + 复数名词 许多 too many people (2)too much +不可数名词 许多 too much homework (3)much too +形容词 太 much too cold【解析2】so conj. 因此 (表示因果关系,后面跟表示结果的句子,不与because同时使用)3. My parents dont allow me to hang out with my friends. 我的父母不

6、允许我和我的朋友们出去闲逛。【解析】allow sb. to do sth 允许某人做某事 【拓展】allow v 允许allow doing sth 允许做某事 They dont allow smoking.allow sb. to do sth 允许某人做某事My mother allows me to watch TV.be allowed to do sth 被允许做某事【拓展】allow与let的辨析:allow指“允许”,表示“默许,听任,不加阻止”,allow sb to do sth允许某人做某事。Let指“让”,let sb do sth让某人做某事,语意较弱,多用于口语中

7、,let不能用于被动语态。4. Whats wrong? 怎么啦?【解析】Whats wrong( with sb./ sth) (某人/物) 怎么了?5. Im really tried because I studied until midnight last night. 我真的很累,因为我昨天晚上一直学习到半夜。【解析】until 直到.时6. Why dont you go to sleep earlier this evening? 今天晚上你为什么不早点睡觉呢?【解析】go to sleep 去睡觉 (强调“入睡,睡着”这一动作)7. You look sad, Kim. 金,你

8、看起来很伤心。【解析】look 看起来 (系动词,后跟形容词作宾语)【拓展】:系动词:后跟adj. 作表语一是:(be) am /is /are be quiet=keep quiet 保持安静二保持:stay/keep (表示持续状态) stay healthy=keep healthy 保持健康三变化:become/get/turn (表示状态变化)五起来:sound/look/smell/taste/feel (表示感觉)8. You _ call him up. 你_ 给他打电话。【解析】call up (v + adv) call on 拜访;号召I call up my paren

9、ts every Sunday.9.Well, I found my sister looking through my things yesterday. 哦,昨天我发现我妹妹翻了我的东西。【解析1】find sb. doing sth 发现某人正在做某事Mr. Wang found Li Dong reading a storybook in the class.类似动词:hear,watch, see, feel【解析2】look through 浏览【拓展】与look相关的短语:look for look after=take care of look like look the sa

10、me look over look through look out look up look around look forward to 10. Yes, but Im still angry with her. 是的,但是我仍然很生她的气。【解析】be angry with sb. 生某人的气【拓展】angry adj. 生气的 angrily adv. 生气地(1)be angry with sb. =be mad at sb. 对某人生气【with后接人】(2)be angry at/about sth对某事感到生气 【at后接事】 (3)be angry to do sth 做某事

11、感到生气11.Although shes wrong, Its not a big deal. 尽管她错了,但也不是什么大错。【解析1】although= though 尽管 , 用来引导让步状语从句。【注】though / although 不能与but连用【拓展】although/however辨析although conj,“虽然;即使;纵然”,引导让步状语从句时放在主句前后都可。Although he is very old, yet he is quite strong.他虽然年纪大了,但身体还很健壮。 however adv,在句中作插入语,起一个连词的作用,一般用逗号与句子分开,

12、可以放在句首或句中,意为“然而,尽管如此”。Its raining hard, However, I think we should go out.雨下的很大。尽管如此,我认为我们还应该出去。【解析2】Its not a big deal. 没什么大不了;不是什么大事(常用于口语中)You left your homework at home. 你把作业忘在家里了。【解析】leave v 遗忘,留下 leave sth . somewhere把某物忘在某地leave sb. by oneself 把某人单独留下12. Hope things work out. 希望事情顺利解决。【解析1】ho

13、pe v 希望 hope to do sth I hope to visit Guilin.hope + that 从句 (表示希望) I hope that youll be better soon wish v 希望 wish to do sth I wish to visit Guilin. wish sb.to do sth 希望某人做某事 I wish you to go.wish +that 从句 表示愿望,从句用虚拟语气 I wish I were you.【解析2】work out 解决;成功地发展,后跟fine,well, badly等词,表明产生的结果如何。计算出(答案、数

14、量、价格等) The math problem is too difficult for me to work out制定出(计划等) I have worked out a new way of doing it.work out 解决;找出的答案 The government has many problems to work out.13.My problem is I cant get on with my favorite. 我的问题是我不能喝我的家人和睦相处。【解析】get on with sb. 和某人和睦相处;和某人关系良好 =get along with get on wel

15、l/ badly with 相处的好/坏14.When they argue, its like a big, black cloud hanging over our home. 当他们争吵的时候,就像有一大团乌云笼罩在我们家。【解析1】argue 争吵argument n 争论 have an argument with sb.与某人辩论argue with sb. 与某人争吵 argue with sb. about sth 为某事与某人争吵argue about sth 争论某事argue against 争辩;反对 He argued against the plan【解析2】 ha

16、ng over 挂在.之上; 悬浮在.之上hang out 闲逛;常去某处 He likes reading and he often hangs out in the bookshop. hang on to 紧紧抓住 Youd better hang on to me in the crowd.hang up 挂电话;悬挂 After she finished her conversation15.Also, my elder brother is not very nice to me.【解析】elder adj.年纪较长的 His elder brother is ill.elder用

17、来表示兄弟姐妹及子女之间的长幼关系,常用作定语older泛指新旧、老幼或年龄的大小关系,可以用作表语,是old的比较级形式。【解析2】be nice to sb. 对某人友好 be friendly to sb. be good to sb.16.He always refuses to let me watch my favorite TV show. 他总是拒绝让我看我最喜欢的电视节目。【解析】refuse =say no to v拒绝 refuse to do sth拒绝去做某事【2013浙江宁波】74. He invited her to his birthday party but

18、she _(拒绝).17.Instead he watches whatever he wants until late at night. 相反,他却想看什么酒看什么, 一直到深夜。【解析1】 instead 代替,反而,替 (1) instead 副词,代替,常放在句首或句尾,表示前面的事情没做,而做了后面的事情。Lee was ill so I went instead.李病了,所以我去了。 (2) instead of +n/doing 代替,而不是,放在句中instead of 为介词短语,后面一般接名词、代词、介词短语或动名词形式。She wrote to him instead

19、of calling him.=She didnt call him. She wrote to him instead.她没有给他打电话,而是给他写了封信。18.If your parents are having problems, you should offer to help. 如果你的父母有问题,你应该主动提供帮助。【解析】 offer to do sth 主动提出做某事【拓展】offer v 主动给予(1) offer to do sth 主动提出做某事(2)offer sb. sth= offer sth to sb. 主动提供给某人某物19.Secondly,why dont

20、 you sit down and communicate with your brother? 其次,你为什么不能坐下来和你的哥哥交流一下呢?【解析1】secondly adv.第二;其次【解析2】communicate v交流 communication n 交流;沟通communicate with sb. 和某人交流20.You should explain that you dont mind him watching TV all the time. 你应该跟他解释说你并不介意他一直看电视。【解析】explain 解释;说明 explanation n 解释;说明explain s

21、th to sb. 向某人解释某事。 explain to sb sth给某人解释某事21. Im worried about my school grades. 我很胆小我的学习成绩。【解析】 be worried about sth. 担心某事【拓展】worry v 担心 worried adj. 焦急的worry about = be worried about 为担心22.My cousin borrows my things without returning them. 我堂弟借我东西没有还我。【解析】return v 归还=give backreturn . to . = giv

22、e back to . 把.还给. v 回来;返回 = come back 23.My parents give me a lot of presure about school. 我父母在学习上给了我很多压力。【解析】press v 按;压 pressure压力不可数名词 (物理学)压力air pressure 气压 blood pressure 血压不可数名词 还可指精神上、外界施加的压力 = stress under pressure 在压力下24.I have to compete with my classmates at school. 在学校我不得不和我的同学们竞争。【解析】co

23、mpete v竞争;对抗 competition n 竞争compete with sb. 和某人竞争compete against/ with 与竞争compete for 为参加比赛25.You should all be _ each other to improve. 你们都应该互相_ 而全面发展。【解析】improve =make . better 改进 improvement n 提高26.Who gives their opinions about the problem? 对于这个问题都有谁提出了他们自己的观点。【解析】opinion n 意见;想法;看法in ones opi

24、nion 以某人的观点;在某人看来give opinions about sth. 给出关于某事的观点。27.These days , Chinese children are sometimes busier on weekends than weekdays because they have to take so many after-school classes .目前,中国的孩子有时周末比平常还要忙,因为他们不得不上那么多的课后辅导班。【解析】some time /sometime/some times/sometimes【口诀】:分开是一段, 合起是某时; 分开s 是倍次,合起s是

25、有时(1) some time一段时间,做时间状语It takes sb. some time to do sth. 做某事花费某人多长时间(2) sometime adv 在某个时候,(3) some times 名词词组,“几次,几倍”Mr. Green went to Sanya some times last summer.(4)sometimes=at times 有时 (一般现在时的标志词)28. Others are practicing sports so that they can compete and win. 其他人正在练习体育运动, 这样他们就能参与竞争并获胜。【解析

26、】 others pron. “其他的人或事物”29.The Taylors are a typical American family. 泰勒一家是一个典型的美国之家。【解析1】The Taylors 泰勒一家 。 在姓氏的复数前加冠词the表示“全家人或夫妻两人”,使用时注意主语和谓语保持一致。【解析】typical 典型的 be typical of “是的特点”30. Maybe I could cut out a few of their activities, but I believe these activities are important for my childrens

27、 future.或许我可以减少他们的一些活动, 但是我相信这些活动对孩子们的未来很重要。【解析】cut out 删除;删去 (v+adv) Youd better cut out that sentence. cut up 切碎 cut down 砍到 cut in 插队 cut off 切断(水、电)供应31. I really want them to be successful. 我真的很想他们成功。【解析】successful 成功的【拓展】 succeed v 成功,达到 success n 成功successful adj 成功的successfully adv成功地 succee

28、d in doing sth 32.Its time for homework.该写作业了。【解析】Its time for sth 是到做某事的时候了。Its time for lunch. Its time to do sth Its time to go to school.33. In some families, competition starts very young and continues until the kids get older. 在有些家庭,竞争从孩子们很小的时候就开始了,一直持续到他们长大。【解析】continue 继续;持续【拓展】continue doin

29、g sth =go on doing sth 继续做某事(前后做同一件事) continue to do sth = go on to do sth 继续做某事(前后不是同一件事)【拓展】continue,go on, last辨析continue v.继续,持续,指进程在时间或空间上的延续,强调持续不断,有时也可以指短暂停止后继续进行。He continue the work for two days.他连续两天都在做这项工作。 go on指无间歇或有间歇地继续,或以某种特定方式继续。go on to do sth继续做某事,指开始做另外一件事;go on doing sth继续做原来所做的

30、事情。After doing his homework, he went on to preview his lessons.做完家庭作业之后,他继续去预习他的研究。last v.持续,延续,维持,指某事物继续存在或某种现象在时间上延续,说明某一动作要延续一段时间。She wont last long in that job.那个工作她做不了多久。34.Mothers send their small kids to all kinds of classes. 妈妈们把她们的小孩子送去各种各样的辅导班。【解析1】send sent sent v 发送 【短语】: send away 赶走 se

31、nd for 派人去请send off 寄出 send out 分发 send up 发射send sb. sth = send sth to sb. 送给某人某物【注】类似的动词有:show (展示; 给看) give (给) lend (借出) offer(提供) return (归还) tell ( 告诉)【解析2】all kinds of 各种各样的 【拓展】kind (1) n 种类 kind of +adj.有点,有几分,kind of cold 有点冷a kind of 一种的,某种的all kinds of 各种各样的different kinds of 不同种类的 What

32、kind of?那种 (2) adj. 友好的 be kind to sb. = be good to sb.=be friendly to sb. 对某人友好【辨析】kind of 与kinds of: kind of 单独用,表示“有点”,后接形容词或副词: He is kind of thin.”他有点瘦” I feel kind of hungry.”我有点饿” Uncle Wang speaks kind of quickly. 王叔叔说得有点快。 2 若kind of前有a, this, that, what等,译为“种,种类” 后加名词。 That kind of questio

33、n is difficult to answer. 那类问题难回答。 What kind of sport do you like best? 你最喜欢何种运动?35.Kids should have time to relax and think for themselves, too. 孩子们也应该有时间放松和独立思考。【解析】have time to do sth 有时间做某事 36. And they are always comparing them with other children. 她们总是把自己的孩子和其他的孩子作比较。【解析】compare A with B 将A和B

34、比较 (1)comparewith 把与.做比较 (2) compareto 把.比做37. Doctors say too much pressure is not good for a childs development. 医生说太多的压力不利于孩子们的发展。【解析1】be good for 对.有好处【拓展】good ( better ; best) adj. 好的 goodness n 好处;善行 ;美德 be good for 对.有益处(反) be bad for对有害处be good at +n/doing=do well in +n/doing 擅长于做某事be good t

35、o sb. =be kind to =be friendly to sb.对某人友好【解析2】development n. 发展38.Dr. Alice Green says all these activities can cause a lot of stress for children. 爱丽丝. 格林医生说所有的这些活动可能给孩子们带来很多压力。【解析】 cause v. 造成,使发生(1) cause sb. to do sth 使某人做某事(2) cause sb. for sb. 给某人添麻烦【拓展】 cause, reason, excuse辨析cause n.原因,指引起某

36、种结果的“原因”,后接介词of.The cause of the accident was the fact that he was driving too fast.事故的原因是他开车开的太快。reason n.理由,原因,指决定做某事或采取某项行动的理由。The reason he was driving so fast was that he didnt want to miss an important meeting.他开车如此快的原因是他不想错过一个重要的会议。excuse n.辩解,借口,指对某种行为所做的解释,可以是真的,也可以是托词。He made a good excuse

37、 for his driving.他为自己开快车找了一个堂皇的借口。39. .In my opinion, it is important for children/ parents to . 我认为, 对于孩子们/父母来说, .是重要的。【解析】in ones opinion 以某人的观点; 在某人看来40. Perhaps children/ parents should / could .或许孩子们/父母应该/ 可能.【解析】perhaps 也许;可能【拓展】perhaps,probably,possibly,maybe辨析perhaps意为“也许,可能”,一般指比较小的可能性。Perh

38、aps I will see him the day after tomorrow, but I am not sure.也许我后天去看他,不过我不能确定。probably“很可能,大概”,其可能性最大,表示一种几乎完全肯定的意思。He will probably refuse the offer.他很可能会拒绝这份提议。possibly意为“可能,或许,也许”,可能性较大。Ill see you today, or possibly tomorrow.我今天要见你,不过也可能是明天。maybe“或许,大概”,主要用于非正式场合,常用在口语中,语气比perhaps轻。Maybe you put

39、 the letter in your basket. 或许你把信放在你的篮子里了。41. Its crazy. 这是疯狂的。【解析】crazy. adj. 不理智的;疯狂的 (在句中作定语、表语、宾语补足语) be crazy about 对着迷;热衷于 Im crazy about football.42. Does Cathy Taylor think its important for kids to join after-school activities? 凯西. 泰勒认为对于孩子们而言参加课文活动重要吗?【解析】Its + adj.(easy,difficult,importan

40、t,necessary) +(for sb.) to do sth【注】若形容词表示事物特征的,如:easy ,difficult, hard ,important等,须用介词for 【形容物,用for】 Its +adj( kind, honest, friendly, )+(of sb) to do sth.【注】 若形容词表示人的性格、品质与特点,如:good ,kind ,nice, wrong等,用介词of。【形容人用of】43. keep on happening 持续发生【解析】keep on doing 继续做某事 keep sb. doing sth 让某人一直做某事 kee

41、p up with 跟上keep sb. from doing sth阻止某人做某事 keep away from避开Mr. Li kept _(work) here for nearly 30 years.二、重点语法1. 情态动词should与could的用法should的用法should为情态动词,表示劝告、建议,意为“应该”,它和其他情态动词一样,没有人称和数的变化,后接动词原形,其否定形式为shouldnt。Maybe she should say sorry to you.也许她应该跟你说声对不起。could的用法情态动词could既是can的过去式,表示过去的能力,又可以表示谨慎

42、、客气的建议,后接动词原形,其否定形式为couldnt。My grandfather could drive well even at the age of eighty.我的祖父甚至到了80岁任然能很好地驾车。2.状语从句 状语从句就是在句子中作状语的从句。状语从句有好几种,如时间状语从句、原因状语从句、条件状语从句、结果状语从句、目的状语从句等。本单元重点讲述以下三种类型的状语从句。1).until引导的时间状语从句until意为“直到;在.之前”。注意until和not.until在用法上的区别。Until:在带有till或until引导的时间状语从句里如果主句用肯定式,其含义是“一直到

43、时”,谓语动词只能用延续性动词。如果主句用否定式,其含义是“直到才”, 谓语动词可用瞬间动词。The young man read till the light went out.Lets wait until the rain stops.We wont start until Bob comeDont get off until the bus stops.Continue in this direction until you see a sign.一直朝着这个方向走直到你看见一个指示牌。I didnt wake up until I heard the alarm clock.直到听到

44、闹钟的铃声我才醒来。2).so that引导的目的状语从句so that是连词,意为“为的是,以便”,引导目的状语从句。注意so that, in order that和in order to在用法上的区别。Let me take down your telephone number so that I can call you later.让我记下你的号码,为的是以后好打电话给你。3). although引导的状语从句although的用法意思相当于though(尽管,虽然),用来引导让步状语从句。它所引导的从句不能与并列连词but,and, so等连用,但可以和yet, still等词连用

45、。 Although the book was old, we decided to buy it.尽管这本书很旧,我们还是决定买。 Although he was tired, he went on working. Although he had only entered the contest for fun, he won first prize.尽管他参加这次竞赛只不过是闹着玩而已,却赢得了头等奖。Unit5 What were you doing wneh the rainstorm came?一.基础知识讲解.1. What were people doing yesterday at

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