新版八级英语下册第三单元知识点归纳

1、新版八年级英语下册第三单元知识点归纳Un it3 Could you please clea n your room?一、Peter ,could you please take out the rubbish? 彼得，你能把垃圾倒了吗？sure,mom.Could you please do sth ? 请你做好吗？ 用于提出请求，希望得到对方的肯定答复，说话的语气比拟客气委婉。Could不是can的过去式，是委婉、礼貌的说法。答复用can.【常用答语】肯定答复：Sure./ Of course./ Certai nl y./No problem.否认答复：Sorry , Ican'

2、 t2、take out 取出v+ adv【注】：跟代词做宾语，代词放中间；跟名词做宾语，可放在中间，也可放在后边take有关的短语： take out带出去，取出Please take out a piece of paper.请拿出一张纸。Please take it out.请把它拿出来。take .out "把带出去My father is taking me out to go for a drive.我爸爸要带我出去开车。(1) take off脱下；飞机起飞-Please take off your coat外套，It ' s warm here.-The pl

3、a ne took off at 9:00 am.【短语】take out the trash/rubbish 倒垃圾 take away 拿走，取走take back 收回 take place 发生 take off 脱下； 起飞2taketo把 带到. (3)take sb. for a walk带某人去散步 take a walk 散步4take exercise 运动，锻炼5take one ' s time 不用急，慢慢来6take a bus(ship/train)乘坐公共汽车7take turns 轮流，替换8It takes sb. some time to do s

4、th.做某事花费某人多长时间3. Can you do the dishes. ?那你可以洗盘子吗？do the dishes 洗碗【结构1】do the +名词： do the dishes/ laundry洗餐具/衣服【结构2】do the +动词-ing do the cleaning 清扫卫生【结构3】do one ' s + 名词 do one ' s housework/ homework 做家务/家庭作业【结构 4 】do some + 动词-ing do some reading/ shopping 读写书 /购物4. could you please help

5、 out with a few thi ngs?help out动词短语，表示在某人繁忙或遇到困难时“给予帮助。help和out之间还可以参加具体的“人。e.g. He helped me out with my task.他帮我完成了任务。They helped (us) out with the clean -up.他们帮助我们做大扫除。5. Because Mom will back fromshopping any minute now .因为妈妈马上回来购物。6. a ny mi nute now 一种常见的口语表达法，相当于“随时；马上；在任何时刻的意思,e.g. Don '

6、; t worry, he will come here anyminute now.另U担忧, 他会马上来这儿。7.Could I at least finish watch ing this show?至少让我看完这个节目可以吗？1 】Could I do sth?我可以做.吗？用于表达请求，语气比拟委婉。Could I go out with my classmate this weeke nd?2】at least至少，多指数量或程度上的最低限度。(反)at most至多3】finish v 结束；完成finish doing sth 做完某事eg Can you finish rea

7、d ing these books before 10 o'clock? Yes, I can.5、 丨thi nk two hours of TV is en ough for you!我觉得你看两个小时的电视已经足够了。1】two hours of TV表示时间、距离、金额、度量等词语作主语时，通常被视作整体，谓语动词用单数形式。How time is flies! Three years is really a short time.时光飞逝！三年真的是短暂的时光。【解析1】enough足够的，充分的在句中作定语或表语I don ' t have eno ugh mone

8、y with me. 我没有足够的钱。【解析2】足够；充分放在形容词；副词后The river is deep eno ugh for swim ming.这条河够深，可以游泳。【记】 Mr. Smith has eno ugh money ,but he isn ' t kind eno ugh to help others. 史米斯先生 有足够的钱，但他不够好心帮助别人【注意】enough修饰名词时，置于名词前；修饰形容词时，置于形容词之后。6、Could you take out the rubbish,fold the clothes and do the dishes?你能把

9、垃圾倒了。把衣服叠好，再把碗洗了吗？【解析】take out拿出；取出take的用法：Please take some books to the classroom.请带一些书至 U教室去。Take this medici ne three times a day.这药一天服三次。They usually take the bus to work.他们通常乘公共汽车去上班。It takes me two hours to do my homework every day.我每天花两个小时做作业。短语 take a rest 休息 take care of 照顾 take off 脱下；起飞 t

10、ake up 占据take down 拿下 take one ' s time不急； 慢慢来 take one ' s temperature 量体温7. The minute I sat down in front of the TV, my mom came over .我刚坐在电视机前面，我妈妈就过来了。【解析 1 】the minute = as soon as 一 就Please write to me the minute you get there.【解析2】in front of指在物体外部的前面There is a bike in front of the c

11、lassroom.教室前面有一辆自行车。指在物体内部的前面Our teacher is sta ndi ng in the fro nt of the classroom 我们的老师正站在教室的前面【记】 The driver sat _in the front of_ the car. The policema n stoodin front of_ the car.【注意】有the无the区别大：at table吃饭；进餐in hospital 住院at the tabel 在桌边in the hospital 在医院不一定看病【解析3】come over过来【拓展】come短语：come

12、 across 偶然发现 come back 回来 come up with 想出come true 实现 come down 下来 come from=be from 来自，出生于come in/into 进入，进来 come on 赶快，加油 come along 走吧，过来,快点come and go 来来去去 come up 上来come out出来，(花)开，(照片)冲洗出来7. You watch TV all the time and n ever help out around the house!你总是看电视，从不帮助做家务！all the time = always 一直；

13、 总是8.1 ' m just as tired as you are!我和你一样累！【解析】as.as . 和一样 9. For one week , she did not do any housework and n either did I.一周的时间，她不做任何家务，我也不做。【解析】neither +助动词/系动词/情态动词+主语 某人主语也不neither两者都不neither nor既不也不,连接两个词做主语，谓语动词由后一个主语确定Neither Tom nor Jim is a stude nt 表达“也不那么用 “ Neither/Nor + be / V助/ V

14、情+主The first one wasn ' t bad.Neither was the second.第一个并不坏。-第二个也不是。10. The next day , my mom came home from work to find the house clean and tidy.第二天，妈妈下班回到家后发现房间很干净、整洁。【解析】find +宾语+宾语补足语【注】find t found 宀found v寻找(1) find sb. doing sth发现某人做某事(2) find it + adj. + to do sth发现做某事很 find it difficul

15、t/ hard to do sth发现做某事很困难She fou ndt_ hard to fin ish the workby herself.她发现自己很难完成这项工作。11. She asked in surprise. 她吃惊地问道。【解析】in surprise惊奇地；吃惊地surprise v 使吃惊 tsurprising adj. 令人吃惊的 tsurprised adj. 吃惊的to one ' s surprise使某人吃惊的是in surprise 吃惊地 be surprised at 对感至U吃惊To my surprise, 使我吃惊的是，he got th

16、e first prize in the exam.12. "I so sorry, Mom. I finish un dersta nd that we n eed to share the housework to have aclea n and comfortable home. I replied.对不起，妈妈。我终于理解为了拥有一个干净、舒适的家我们需要共同来分担家务。我答复说。【解析1】need v需要用于肯定句，是实义动词。(1) 人做主语，sb. n eed to do sth某人需要做某事(2) 物做主语，sth n eed doing sth= sth n ee

17、d to be done Stude nts n eedto have_(have) a good rest in study ing. The watchneeds_mending(men d).手表需要修。用于否认句或疑问句，是情态动词(1) needn ' t = don ' t have没有必要(2) need ,must引导的一般疑问句，肯定会的用must,否认答复用need n'tMust I go there now? Yes，you must/No, you needn't【解析2 share分享；共用 share sth分享或共用某物share

18、 sth with sb. 与某人分享某物(All his friends _Sharedhis happ in ess whe n he won the match.13. Could I hang out with my frie nds after the movie?看完电影后我能和朋友们一起闲逛吗？【解析hang out闲逛 hang up把悬挂/挂起14. Could you please pass me the salt?你能把盐递给我吗？【解析passv给；递；走过；通过 pass sb.sth 把某物递给某Pass on传递Please pass the paper on t

19、o the other stude nts. v 通过； 路过 I pass your home. v 通过考试； 及格 Tom can pass his math exam.15. Could I borrow that book?我能借下你那本书看吗、Could you lend me some mo ney?你能借我一些钱吗？【解析borrow /len d/keep(1)borrow 借入，与from连用，尤指主语"【借进来】borrow sth from sb.从某人那里借某物You can borrow the book from the library.lend借出，与

20、to搭配【指借出去lend sb sth=lend sth to sb把某物借给某人 He doesn ' t want to lend his book to others.(3) keep保存，保存延续动词，可以与表示一段时间的状语连用【指借一段时间【记I want to _borrow_ a bike from my friend but he didn' t _lendit to me,because Tom had _keptit for two days.16. I cut my fin ger and I' m trying not to get it w

21、et.我的手指割伤了，伤口不能弄湿。【解析try (n ot) to do sth 努力不做某事。try v试图，设法，努力【拓展(1)try on试穿(2) try to do sth 努力做某事【侧重尽力做】(3) try doi ng sth试图做某事【侧重尝试做】(4) try one ' s best to do sth= do one ' s best to 尽某人最大努力做某事17. I hate to do chores. 我讨厌做家务。hate doi ng sth 不愿意做某事 表示经常或习惯性行为或动作。She hates smok ing in herr

22、oom.她讨厌在房间里抽烟。18. Could I ask you to help me with some chores the n?那我能请求你帮我做些杂活吗？【解析】ask sb. to do sth要求某人做某事。ask for请求，要某物ask sb. about sth向某人询问关于某事(1)ask sb. for help向某人请求帮助ask sb. (not) to do sth 请求某人做某事ask构成的短语：短语含义ask sb. to do sth 请某人做某事ask sb. not to do sth不让某人做某事ask sb for sth向某人要某物ask for

23、help 寻求帮助19.1 ' ll finish my homework while you help me with the dishes.当你帮我洗盘子的时候，我将完成我的家庭作业。【解析1】finish doing sth 完成某事 Can you finish _reading_ these books before 10 o' clock?你能在十点前读完这些书吗？一 Yes, I ca n.【解析2】while conj.在彳期间；当的时候While引导的时间状语从句的谓语动词只能是延续动词。_While _ the childre n have fun, par

24、e nts can take dance less ons on the beach.当孩子们玩得开心时，父母可以在海滩上上舞蹈课。【解析3】help sb. with sth.在某事上帮助某人。【注】help v帮助 t helpful adj.有帮助的(1) help sb. do sth. =help sb. with sth.帮助某人做某事(2) with the help ofsb.=with one ' s he在某人的帮助之下(3) without the help of 没有在 的帮助之下 I thi nk readi ng is very _helpful(help)

25、. _Withoutyour help, we couldn' t 抓a住小偷bthief.20. Could I in vite my frie nds to a party?我能邀请我的朋友们来聚会吗？【解析】invite sb. to Sp.邀请某人去某地【解析】invite v t invitationn 邀请(1) in vite sb. to do sth邀请某人做某事(2) invite sb. to + 地点 邀请某人去某地21.1 don ' t understand why some parents make their kids help with hou

26、sework and choresat home.我不理解为什么有些父母在家让孩子们帮助做家务和杂务。【解析】make sb. do sth让某人做某事make 宀 made 宀 made v. 做， 制作， 使得(1) make sb/sth + 形容词让某人或某物 make you happy make sb/sth do sth使某人做某事make me laugh.Colors can cha nge our moods and make us _feel_ happy or sad, en ergetic orsleep.颜色可以改变我们的心情，使我们感到快乐或悲伤，精力充分或睡眠。

27、22. They d on' t have time to study and do housework , too.他们也没有时间来学习家务和做家务。have time =be free 有空23. Housework is a waste of their time.做家务是在浪费他们的时间。【解析】a waste of 浪费 a waste of time 浪费时间a waste of money浪费金钱waste v 浪费waste time/m oney on sth waste time / money (in) doing sth在做某事上花费时间 /金钱Don'

28、 t _waste_water. Can ' t you see the sign“ save不要浪费水？ 你看不到 节约用水的牌子吗？24. They should spe nd their time on schoolwork in order to get good grades and get into agood un iversity.为了取得好成绩并考上一所好大学，他们应该把时间用在学习上。【解析1】spend. on sth在某事上花费 spe nd/pay/cost/take花费(1) spend t spent spent v 花费,主语是人 sb.+ spend

29、+ 时间 /钱 +on sth sb. +spend + 时间 /钱 + in doing sth spe nd on= pay for支付He spe nds too much time on the computer games.他花太多时间在电脑游戏上。Remember t o spend some time _with_ your loved ones, because they' re not going to bearound forever.记得花些时间和你所爱的人在一起，因为他们不会永远在你身边。My father _spe nt_ one hun dred thous

30、a nd yua n on his new car.我父亲花了十万元买他的新车(2) pay t paid t paid v支付，主语是人 sb.+ pay + 钱 +for sth I pay 10 yua n for the book.How much did you pay for this computer?你花了多少钱买这台电脑一Fivehun dred dollars.(3) cost t cost t costv花费，主语是某物或某事 sth cost sb. +钱 某物花费某人多少钱A new computer costs me a lot of mon ey.I bought

31、 a new sweater last weeke nd. Itcost_ me 120 yua n.上周末我买了一件新毛衣。我花了 120元(4) take t took t taken v 花费 It takes /took sb. some time to do sth.做某事花费某人多长时间It takes him 3 hours to do his homework. 他花了 3 个小时做作业。【解析2】in order to 目的是；为了 后接动词原形。in order to do sth为了做某事He ran quickly in order not _to belate for

32、 the meeti ng.他跑得很快，为了不迟至 U。【解析3】get in to =en ter 进入【拓展】与get相关的短语：get up 起床 get back 返回 get over 克服get dressed 穿衣 get into 进入 get/be lost 丧失 get off/on 下/上车get on well with sb.与某人相处得好 get out of从出来 get warm 变暧get well康复 get a chanee 有时机、得到时机get/go to sleepfall asleep 入睡 相关：be asleep 睡着25. Also,when

33、 they get older, they will have to do housrwork so there' s no need for them todo it now.而且，当他们长大的时候，他们也将会做家务，因此，他们没必要现在在做。【解析】get older长大get/ become/ go 辨析：become 强调变化的结果It's becomi ng colder and colder.天气变得越来越冷。go+adj."表示令人不快的事情go bad变坏，go blind变瞎，go hungry挨饿26. It is the parents'

34、 job to provide a clean and comfortable environment at home for theirchildre n.在家为孩子们提供一个干净、舒适的环境是父母的义务。【解析】provide sth. for sb. 为某人提供某物provide v 提供provide sb. with sth. sb前介词用 for =provide sth for sb. sth 前需加介词 with供应某人某物相当于： offer sb. sth. = offer sth to vide为应急等做好准备而提供；供应offer侧重表示 愿意给予 offe

35、r sb. sth. = offer sth to sb. 对某人提供某物 offer to do sth 主动提出干某事supply 定期 供应强调替代或补充所需物品Supply sb. with sth=supply sth. to sb. 为某人提供某物 The Internet provides us _with_a lot of _informationwe n eed.因特网给我们提供了许多我们需要的信息。 一Could you please provide us _withsome information about the studentshealth? Of cours e,

36、 it ' s my pleasure能为我们提供一些关于学生的健康信息？当然，这是我的荣幸。27. And any way, I th ink doi ng chores is not so difficult.无论如何，我认为做家务并不那么难。【解析】anyway无论如何，一般放在句首，用逗号和句子隔开28. I think it is importa nt for childre n to lear n how to do chores and help their pare nts with housework.我认为对孩子们来说，学习如何做杂务并帮助他们的父母做家务是很重要的

37、。【解析】It is importa nt for sb. to do sth.对某人来说做某事是重要的29. Childre n these days depe nd on their pare nts too much.现在的孩子太依赖他们的父母。【解析】depe nd on依靠；信赖Shall we go for a picnic tomorrow? Well, it alldepe nds onthe weather.30. . Every one should do their part in keep ing it clea n and tidy.每个人都有责任保持家里的干净和整洁

38、。【解析1】do one ' s part尽职责；尽本分 Do one' s part in doing sth 在做某事上尽职责【解析2】keep +sth /sb. +adj. 使处于某种状态Her mother asked her to keep the win dows _open_ and the door _closed_.她妈妈叫她把窗户翻开，关上了门keep 系动词 保持 keep + adj . We must keep healthy.实义动词保持；继续(1) keep ( on ) doing sth继续做某事He was in great pain bu

39、t he kept on work ingHe kept on _ talking_ after the ball rang for class.他不停地球响下课后说。(2) keep sb. Do ing sth让某人一直做某事I ' m sorry to have kept you waiting for so long.My teacher kept me _doinghomework all the after noon.对不起，让您久等了。我的老师让我整个下午做作业。31. Doing chores helps to develop children' s independenceearadies them how to lookafter themselves.做杂务不仅可以培养孩子们的独立性还可以教他们如何照顾自己。【解析】develop in depe nde nee培养独立意识develop v development n 开展 developing adj.开