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1、八年级Unit 3-4专题讲解和练习题重点句型1. few 几乎没有 修饰可数名词 否定 He has few friends. a few 少数的 修饰可数名词 肯定 He has a few friends. little几乎没有 修饰不可数名词 否定 There is little sugar in the bottle. a little 少数的 修饰不可数名词 肯定 There is a little sugar in the bottle2. at least 至少 - at most 至多 at first 最初 - at last 最后3. problem指说话者认为难以解决的
2、问题，它与动词 solve或settle（解决）搭配。question指说话者需要寻找答案的问题，它常与动词ask或answer连用。4. Couldyoupleasedosth?请你（做）.好吗？用于提出请求，希望得到对方的肯定回答，说话的语气比较客气委婉。Could不是can的过去式，是委婉、礼貌的说法。回答用can.【常用答语】肯定回答：Sure./Ofcourse./Certainly./Noproblem.否定回答：Sorry,Icant()Couldyoupleasecleantheroom?_Ihavetodomyhomework.A.Yes,sure.B.Whynot? C.S
3、orry,youcant. D.Sorry,Icant.()CouldIplease_?Sorry,youcant.Yourmotherhastouseit.A.dochores B.gotothemoviesC.usethecar D.gotoschool()Mum,CouldIgotoBeijingwithyou?Yes,_.Butyouhavetofinishyourhomeworkfirst.A.youcan B.youcould C.youcant D.youcouldnt()Wouldyouliketocometomybirthdayparty?Idloveto,_Imtoobus
4、y. A.and B.if C.so D.but5. takeout取出（v+adv）如代词做宾语，代词放中间；如名词做宾语，可放在中间，也可放在后边【短语】takeoutthetrash倒垃 takeawalk散步takeaway拿走takeback收回takeplace发生takeoff脱下；起飞takecareof照顾 takeup占据 takeonestemperature量体温6. finishdoingsth做完某事Canyoufinish readingthesebooksbefore10oclock?Yes,Ican.7. as.as.和.一样.eg. Imjustastire
5、dasyouare!我和你一样累！assoonas一.就.,引导时间状语从句。(与if,when,not until,主将从现原则)eg:IllwritetoyouassoonasIgetthere.我一到那儿就给你来信。8.neither+助动词/系动词/情态动词+主语“某人（主语）也不”neither两者都不neithernor既不也不,连接两个词做主语，谓语动词由后一个主语确定eg. NeitherTomnorJimisastudent表达“也不”则用“Neither/Nor+be/V助/V情+主”eg.Thefirstonewasntbad.Neitherwasthesecond.9.
6、 or 表并列 （否、疑） and （肯）or 表转折 否则，要不然10.【拓展】come短语：comeover过来 comeacross（偶然）发现 comeback回来comeupwith想出 cometrue实现 comedown下来comefrom=befrom comein/into进入,进来 comeon赶快,加油comeandgo来来去去 comeout出来，书出版 comeup上来11.infrontof 指在物体外部的前面in thefrontof指在物体内部的前面12. lend“借出”“把某物借给某人”lendsthtosb/lendsb.sth.borrow“借入”“向
7、某人借某物”borrowsthfromsbkeep“保管”是延续性动词，通常表示借了某物多长时间()1Couldyou_meyourdictionary?Iwanttofindthemeaningofthisnewword.A.keep B.lent C.borrow D.lend()2Ican_youmydictionary,butyoucan_itforonlyaweek.A.borrow;borrow B.lend;borrow C.borrow;keep D.lend;keep()3-MayI_yourbike?-Certainly,butyoumustnt_ittoothers.A.
8、lend;lend B.borrow;lend C.borrow;borrow D.lend;borrow13. invitevinvitationn 邀请(1)invitesb.todosth 邀请某人做某事(2) invitesb.to+地点 邀请某人去某地14. waste 浪费1) n. awasteof浪费eg.awasteoftime浪费时间awasteofmoney浪费金钱2)v.wastetime/moneyonsthwastetime/money(in)doingsth在做某事上花费时间/金钱15 (1)spendspentspentv花费,主语是人spend+时间/钱+on
9、sthspend+时间/钱+（in）doingsth(2)paypaidpaidv支付，主语是人 sb.+pay+钱+forsth(3)costcostcostv花费，主语是某物或某事sthcostsb.+钱某物花费某人多少钱(4)taketooktakenv花费.主语是itIttakes/tooksb.sometimetodosth.做某事花费某人多长时间16. inorderto“目的是；为了”后接动词原形。inordertodosth为了做某事17. getup起床 getback返回 getover克服getdressed穿衣getinto进入get/belost丢失getoff/on
10、下/上车getonwellwithsb.getoutof从出来getwarm变暧 getreadyfor为做准备18 提供provide为应急等做好准备而“提供；供给”providesb.withsth.=providesthforsb.提供某人某物offer侧重表示“愿意给予”offersb.sth.=offersthtosb.对某人提供某物offertodosth主动提出干某事supply定期“供应”supplysb.withsth=supplysth.tosb.为某人提供某物19. dependon1）依靠； eg. Childrenthesedaysdependontheirparen
11、tstoomuch2）取决于20. keep “保持”1)keep+adj. Wemustkeephealthy.2)keep+n.+adj. We must keep the room clean.3)keep(on)doingsth Hewasingreatpainbuthekeptonworking4)keepsb.doingsth Imsorrytohavekeptyouwaitingforsolong.21. asaresult结果（插入语，放在句首，用逗号隔开）eg.Dontaskhimtoolateintothenight, Asaresult,heisonlyasmallchi
12、ld22. the+比较级，the+比较级“越.越.”eg.Themoreyousmile,thehappieryouwillfeel.23. sinceconj.既然(表示对方已知的事实或理由，常放在句首）eg. Since you are here,lets have dinner together.24. hate to do sth.eg. I hate to do chores.我讨厌做杂务。（)l.-CouldIborrowyourdictionary?Ofcourse,you.A.can B.must C.should D.haveto（)2.Doyouagreeme,Nick?
