新版八年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回答，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./ Certa in ly./No problem.否认答复:Sorry , I can t2、take o

2、ut 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 把带出去我爸爸要带我出去开车。My father is taking me out to go for a drive.(1)take off 脱下；(飞机)起飞-Please take off your coat(外套)，It s warm here.-The pla ne took off at 9

3、: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(2) take to 把.带到. (3)take sb. for a walk带某人去散步 take a walk 散步(4) take exercise 运动，锻炼(5) take one s time 不用急，慢慢来做某事花费某人多长时间(8) It takes sb. some time to do sth.那你可以洗盘子吗?3. Can you do the dishes.do the dish

4、es洗碗【结构1】do the +名词:do the dishes/ la undry洗餐具/衣服【结构2】do the +动词-ingdo the clea ning清扫卫生【结构3】do ones +名词do one s housework/ homework 做家务 / 家庭作业【结构4】do some + 动词-ingdo some read ing/ shopp ing读写书/购物you please help out with a few thingshelp 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。.He helped me

5、 out with my task.他帮我完成了任务。They helped (us) out with the clea n-up.他们帮助我们做大扫除。5.Because Mom will back from shopping 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，.Don t worry, he will come here any minute now.别担忧，他会马上来这儿。I at least finish watchi ng this show至少让我看完这个节目可以吗

6、？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5、I think two hours of TV is enough 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! Thr

7、ee 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 money 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

8、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 h

9、ours to do my homework every day.我每天花两个小时做作业。脱下；起飞 take up 占take one s temperature短语 take a rest 休息 take care of 照顾 take off 据take down 拿下 take one s time 不急；慢慢来量体温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 th

10、e minute you get there.【解析2】in front of指在物体外部的前面教室前面有一辆自行车。我们的老师正站在教室的前There is a bike in front of the classroom.指在物体内部的前面Our teacher is sta nding in the front of the classroom面【记】 The driver sat _in the front of_ the car. The policema n stoodin frontof_ the car.【注意】有the无the区别大：at table餐边不一定看病【解析3】c

11、ome over过来【拓展】come短语： come across 偶然发现 come true 实现 出生于 come in/into 进入,进来 come and go来来去去吃饭；进在桌come back 回来 come down 下来come on赶快，加油 come up上来in hospital 住院at the tabelin the hospital 在医院come up with 想出come from=be from 来自，come along 走吧，过来，快点come out出来，花开，照片冲洗出来7. You watch TV all the time and n ev

12、er help out around the house!你总是看电视，从不帮助做家务！all the time = always 一直； 总是【解析】as.as8. I m just as tired as you are!我和你一样累!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Neithe

13、r Tom nor Jim is a stude nt 表达“也不那么用 “ Neither /Nor + be / V 助/ V 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 st

14、h发现某人做某事(2) find it + adj. + to do sth发现做某事很 find it difficult/ hard to do sth 发现做某事很困难She foundt_ hard to finishthe work by 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使吃惊宀surprising adj.令人吃惊的宀surprised adj.吃惊的to one s surprise使某人吃惊的是in surprise 吃惊地 be sur

15、prised at对感到吃惊To my surprise_(使我吃惊的是)，he got the first prize in the exam.12. I m so sorry, Mom. I finish understand that we need to share the houseworkto have a clean 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. need to do sth某人需要做某

16、事(2) 物做主语，sth need doing sth= sth need to be done Stude nts n eedto have_(have) a good rest in study ing. The watchneeds_mending(mend).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 to 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 ntMust I go there now Yes , you must/No, you needn t【解析2】share 分享；共用s

17、hare sth分享或共用某物share sth withsb.与某人分享某物(All his friends _Sharedhis happ in ess whe n he won the match.I ha ng out with my friends 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】pass v给；递；走过；通过pass把某物递给某Pass on传递Please pass the paper on

18、 to 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.Could you lend me some money你能借我一些钱吗？【解析】borrow /len d/keep(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to搭配 【指借出去】lend sb sth=lend sth to sb把某物借给

19、某人 He doesn t want to lend his book toothers.(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 _lend it to me,because Tom had _keptit for two days.16. I cut m y fin ger and I m trying not to get it wet.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

20、。tryv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 ones best to do sth= do ones be st to do sth尽某人最大努力做某事17. I hate to do chores.我讨厌做家务。hate to do sth讨厌做某事，表示某次具体行为或动作。I hate to trouble him. 我讨厌麻烦他hate doing sth不愿意做某事 表示经常或习惯性行为或动作。She hates smok ingin her

21、room.她讨厌在房间里抽烟。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 help寻求帮助ll

22、 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, pare nts can take dance less ons

23、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 help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). _Withoutyour help, we couldn t ca

24、tch the thief.抓住小偷。20. Could I in vite my friends 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don t understand why some parents make their kids help with housework and chores at home.我不理解为什么有些父母在家让孩子们帮助

25、做家务和杂务。【解析】make sb. do sth让某人做某事m*e t made t made v. 做， 制作， 使得(1) make sb/sth + 形容词让某人或某物make you happy(2) 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 ortoo.sleep.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。do n t have time to study and do housew

26、ork他们也没有时间来学习家务和做家务。【解析】have time to do sth. 有时间做某事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wastev “浪费waste time/m oney on sthwaste time / money (in) doing sth在做某事上花费时间/金钱Don t _waste_water. Can t you see the s

27、ign“ save water 不要浪费水。你看不至U“节约用水的牌子吗？should spe nd their time on schoolwork in order to get good grades andget i ntoa good uni versity.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 tspent spent v 花费 ,主语是人 sb.+ spend + 时间 / 钱 +on sth sb. +spend + 时间 / 钱 + (in )

28、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 to spend some time _with_ your loved ones, because they re not goingto be around 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 thousa nd yua n on his new car.我父亲花了十万元买他的新车(2) pa

29、y t paid t paid v 支付，主语是人 sb.+ p ay + 钱 +for sthI pay 10 yuan for the book.Howmuch did you pay for this computer你花了多少钱买这台电脑Five hun 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 a new sweater last weeke nd. Itcost_ me 120 yu

30、a n.上周末我买了一件新毛衣。我花了120元(4) take ttook t taken v 花费做某事花费某人多长时间 It takes /took sb. some time to do sth.【解析2】in order to 目的是；为了后接动词原形。in order to do sth了做某事He ran quickly in order n ot _to belate for the meet ing.他跑得很快，为了不迟到。【解析3】get into =enter进入【拓展】与get相关的短语:get up 起床 get back 返回get over 克服get dresse

31、d 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 ready for +n. 为做准备get ready to do sth.准备做某事get well 康复 get a chance有时机、得到时机get/go to sleep(fall asleep)入睡相关：be asleep 睡着s no need for them,when they get older, they will have to do housrwork so the

32、re to do 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：get+adj 较多地与形容词比拟级连用。The days are gett ing Ion ger and Ion ger.天变得越来越长become强调变化的结果Its 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 job to provide a clea

33、n and comfortable environment at homefor their childre 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供给某人某物相当于： offer sb. sth. = offer sth to vide为应急等做好准备而提供；供给 provide sb. with sth. =provide sth forsb.提

34、供某人某物offer 侧重表示愿意给予offer sb. sth. = offer sth to sb.对某人提供某物 offerto do sth主动提出干某事supply定期供给,强调替代或补充所需物品Supply sb. with sth=supply sth. tosb.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 in formati on about the stude nt

35、shealth Of course, it s my pleasure.你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 think doing 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 theirpare nts with housework.我认为对孩子们来说，学习如何做杂务并帮助他

36、们的父母做家务是很重要的。【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】depend on依靠；信赖Shall we go for a picnic tomorrowWell, it all depends on the weather.30. . Every one should do their part in keep ing it clea n and tidy.每个人都有责任

37、保持家里的干净和整洁。【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 windows _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 but

38、 he kept on workingHe 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 independence and teaches them how tolook after 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developdevelopment n 开展developi