人教版英语八年级下册第三单元知识点归纳.doc

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1、Unit3Couldyoupleasecleanyourroom?1、Peter,couldyoupleasetakeoutthetrash?彼得，你能把垃圾倒了吗?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,Ican’t2、takeout取出(v+adv)【注】:跟代词做宾语，代

2、词放中间;跟名词做宾语，可放在中间，也可放在后边Histeethhurtbadly.Thedentisttakethemout.【短语】takeoutthetrash倒垃圾takeawalk散步takeaway拿走，取走takeback收回takeplace发生takeoff脱下;起飞3.Canyoudothedishes.?那你可以洗盘子吗?dothedishes洗碗【结构1】dothe+名词:dothedishes/laundry洗餐具/衣服【结构2】dothe+动词-ingdothecleaning打扫卫生【结构3】doone’s+名词d

3、oone’shousework/homework做家务/家庭作业【结构4】dosome+动词-ingdosomereading/shopping读写书/购物4.CouldIatleastfinishwatchingthisshow?至少让我看完这个节目可以吗?1】CouldIdoasth?我可以做......吗?用于表达请求，语气比较委婉。CouldIgooutwithmyclassmatethisweekend?atleast至少，多指数量或程度上的最低限度。(反)atmost至少，不超过Nowallofusexerciseatleastan

4、houradayandoutsideschool.finishv结束;完成finishdoingsth做完某事-Canyoufinishreadingthesebooksbefore10o'clock?-Yes,Ican5、IthinktwohoursofTVisenoughforyou!我觉得你看两个小时的电视已经足够了。1】twohoursofTV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。Howtimeisflies!Threeyearsis(be)reallyashorttime.足够的，充分的(在句中

5、作定语或表语)【解析2】enoughIdon’thaveenoughmoneywithme.足够;充分(放在形容词;副词后)Theriverisdeepenoughforswimming.【记】Mr.Smithhasenoughmoney,butheisn’tkindenoughtohelpothers.【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、Couldyoutakeouttherubbish,foldtheclothesanddothedishes?你能把垃圾倒了。把衣服叠好，再把碗洗了吗?【解析】tak

6、eout拿出;取出take的用法:Pleasetakesomebookstotheclassroom.Takethismedicinethreetimesaday.takeTheyusuallytakethebustowork.Ittakesmetwohourstodomyhomeworkeveryday.【拓展】take构成的短语:takeawalk去散步takearest休息takecareof照顾takeoff脱下;起飞takeup占据takedown拿下takeone’stime不急;慢慢来takeone’stemperature量体温

7、7.TheminuteIsatdowninfrontoftheTV,mymomcameover.我刚坐在电视机前面，我妈妈就过来了。【解析1】theminute=assoonas“一......就......”Pleasewritetometheminuteyougetthere.【解析2】infrontof指在物体外部的前面Thereisabikeinfrontoftheclassroom.【辨析】指在物体内部的前面Ourteacherisstandinginthefrontoftheclassroom【记】Thedriversat_inth

8、efrontofthecar.Thepolicemanstoodinfrontofthecar.【注意】有the无the区别大:attable吃饭;进