七年級下冊Unit4知識點梳理（教師版）

Unit4Don’teatinclass(教師版)單元語法單元語法一、祈使句表達命令、請求、勸告、警告、禁止等的句子叫作祈使句。祈使句最常用于表達命令，因其主語是第二人稱you且往往被省略，因此祈使句一般以動詞原形開頭。Eg.Goandwashyourhands.去洗洗你的手。（命令）Bequiet,please.請安靜。（請求）Practicetheguitareveryday.每天練習吉他。（建議）類型句型結(jié)構(gòu)示例Do型肯定：動詞原形（+其他成分）.Standup.起立。否定：Don’t+動詞原形（+其他成分）.Don’tplaywithfire.不要玩火。Be型肯定：Be+表語(一般為形容詞).Becalm.冷靜。否定：Don’t+be+表語（+其他成分）.Don’tbestupid.別犯傻。Let型肯定：Let+賓語+動詞原形（+其他成分）.Let’sgoswimming.咱們?nèi)ビ斡景?。否定：①Don’tlet+賓語+動詞原形（+其他成分）.②Let+賓語+not+動詞原形（+其他成分）.Don’tlethimgo.別讓他走。=Lethimnotgo.【*拓展】No型祈使句：表示禁止，常用于標語、警示語的否定祈使句結(jié)構(gòu)為：“No+動詞ing形式”或“No+可數(shù)名詞復數(shù)形式/不可數(shù)名詞”。1.Molly,___D____afraidofspeakinginfrontofpeople.Youarethebestone.A.don’tB.notC.notbeD.don’tbe2.“No__B_____!”saysthesign.A.smokeB.smokingC.smokesD.tosmoke3.It’slate,Teresa.___A_____earliernexttimeandyou’llhaveenoughtimetohavebreakfast.OK,Mom.I’llremember.A.GetupB.GettingupC.TogetupD.Getsup4.____B____thisrockmusic,please.I’mafraidsomepeoplecan’tstandthenoise!A.StoppingB.StopC.StopsD.Stopped5.____C____callmeWangwang!It’smydog’sname.A.Not

B.NoC.Don’tD.Doesn’t二、情態(tài)動詞must、haveto情態(tài)動詞must表示說話人的主觀看法(主動)，表示“必須、必要”。其否定形式為mustnot=mustn’t，意為“禁止；千萬不要”。無人稱和數(shù)的變化，不能單獨使用，必須與其后的動詞原形構(gòu)成謂語。句型結(jié)構(gòu)：主語+must+動詞原形+其他.Imustdomyhomeworkbeforedinner.晚飯前我必須做作業(yè)。【拓展延伸】以must開頭的一般疑問句的否定回答mustn’t(×)needn’t或者don’t/doesn’thaveto(√)Eg.—MustIdomyhomeworknow?我必須現(xiàn)在做我的作業(yè)嗎？—Yes,youmust./No,youneedn’t/don’thaveto.是的，你必須。/不，你不必。情態(tài)動詞haveto表示必須,強調(diào)客觀需要,不得不、被逼無奈做某事。①有人稱、單復數(shù)的變化②有動詞時態(tài)的變化。has/had/haveto否定形式和疑問句形式均需要借助助動詞do才可以進行變化。1.–Canyougotoseeamoviewithusthisevening?Sorry,Ican’t.I_D__takecareofmylittlebrotherathomebecausemymotherisill.A.can B.must C.would D.haveto2.You_A___crosstheroadwhenthetrafficlightsarered.A.mustn’t B.can’t C.wouldn’t D.needn’t3.MustIgotomedicalschoolandbeadoctorlikeyou,Dad?No,you_D__,son.You’refreetomakeyourowndecision.A.can’t B.mustn’t C.shouldn’t D.needn’t4.MayIgooutnow,Dad?No.You__D_letyourmotherknowfirst.A.can B.may C.need D.must5.–Ican’tstopsmoking,doctor.Foryourhealth,I’mafraidyou__C___.may B.need C.haveto D.must6.Listenguys.Everyone__D_____wearamask（口罩）.Goandbuyoneifyoudon’thaveone.A.can’tB.canC.mustn’tD.must7.You___B____smokehere!Lookatthesign.Itsays“Nosmoking!”A.needn’tB.mustn’tC.mayD.can知識點梳理知識點梳理考點1“到達”的三種表達IwillarriveinShanghaitomorrow.我將于明天到達上海。Iusuallyarriveatschoolat7:50inthemorning.我通常在早上7:50到達學校。arrive不及物動詞，意為“到達”，其后不能直接跟賓語。arrive有介詞，arrivein+大地點（國家、城市等）；arriveat+小地點（車站、學校等）Whattimedoesthetrainarrive?火車什么時候到？get有介詞，getto+地點名詞Tinagetstothezoobybike.蒂娜騎自行車到動物園。reach無需介詞，直接reach+地點IreachZhuhai.我到達了珠海。*注意：當其后接地點副詞here、there以及home時，介詞to/in/at常省略Igethome.我回到家了。vsIgettoschool.我回到學校了。Howdidyouarrive/getthere?你是怎樣到達那里的1.We___D____schoolat7:00everyday.A.getB.goC.arriveD.arriveat2.Alicecanarrive__D____herebefore8:00.A.inB.atC.forD./3.Tomnever__arrives___(arrive)homelateafterschool.4.我們必須在7點之前到達學校。（翻譯句子）__Wemustarriveatschoolbefore7:00________________________________________________.考點2ontime的用法Youmustbeontime.你必須準時。（be）ontime固定短語，意為“準時；按時”【*拓展】time的其他短語timetimeintime及時forthefirsttime第一次atthesametime同時attimes有時；偶爾fromtimetotime有時allthetime一直；總是1.我們每天必須按時到校。（完成句子）Wehavetogettoschool___on______time__everyday.2.沒有及時趕上公交車，他因此不能準時到那里。（完成句子）Shedidn’tcatchthebus___in___time,soshecouldn’t__arrive__there___on___time.考點3“聽”的三種表達Don’tlistentomusicinclass.不要在課堂上聽音樂。單詞用法固定搭配listen意為“聽；傾聽”，側(cè)重聽的動作，接賓語時須加to___listentomusic____聽音樂hear意為“聽見；聽到”，側(cè)重聽的結(jié)果hearsbdosth./hearsbdoingsth.sound意為“聽起來”，后面接形容詞作表語Thatsoundsgood.【拓展】inclass意為“在課堂上；上課時”，intheclass意為“在班里”。Eg.Listentoyourteachercarefullyinclass.在課堂上要認真聽老師講課。Thereare40studentsintheclass.這個班有40名學生。1.Don’t___D____musicintheclassroom.A.listenB.listensC.tolistenD.listento2.Weall___B____themancarefully,butwecan’t________whathesays.A.listento;listentoB.listento;hearC.hear;listentoD.hear;hear3.瑪麗,做作業(yè)的時候不要聽音樂。（完成句子）Mary,___don’t______listen______to____musicwhenyoudoyourhomework.考點4important的用法ItisItisimportantforsb.todosth.意為“對某人來說做某事很重要”important形容詞“重要的”importance名詞“重要性”theimportancetheimportanceof...意為“…的重要性”1.Ihavesome___important____newstotellyou.我有一些重要消息要告訴你。2.Weallknowthe_importance____ofEnglish.我們都知道英語的重要性。3.Itisimportant__A____ustomakefulluseoftime.A.for B.of C.with D.to考點5三個“拿”的用法單詞含義及用法bring“帶來”，強調(diào)將某人或某物從別的地方帶到說話者所在的地方來(遠?近)常用搭配：bringsth./sb.to...把某物/某人帶到……take“帶走；拿走”，強調(diào)說話者所在的地方將某人或某物帶到別的地方去(近?遠)get“去拿；去取”，離開說話者所在的地方去取某物后再回來，強調(diào)動作的往返(一來一回)1.Kate,____A____yourhomeworkheretomorrow.A.bring B.brings C.take D.takes2.Canyou__B___yourbaseball________school?A.take;inB.bring;toC.bring;inD.need;to考點6practice的用法+代詞+代詞Pleasepracticeit.請練習它。practice(動詞)練習+名詞Let’spracticemusicskills.讓我們一起練習音樂技巧吧。+動詞ing形式Let’spracticespeakingEnglishtogether.讓我們一起練習說英語吧。重點：常用搭配：practicedoingsth.練習做某事【*拓展】practice還可作名詞時，意為“練習；實踐”。Itneedsalotofpracticetoplaythepianowell.彈好鋼琴需要大量的練習。1.Don’tpractice__A_____basketballinyourhouseatnight.A.playing B.toplay C.play D.plays2.Ihavetopractice__speaking__(speak)Englisheveryday.3.他周末通常練習彈吉他。（完成句子）Heusually__practices____playing_______the_______guitar___onweekends.考點7help的用法help用作動詞，意為“幫助；援助”，其常見用法如下：helphelphelpsb.withsth.幫助某人某事helpsb.(to)dosth.幫助某人做某事helponeselfto...隨便吃...【*拓展】help還可作不可數(shù)名詞，意為“幫助；援助”。1.Weoftenhelptheoldman__A____.A.todosomecleaningB.cleanedC.cleansD.cleaning2.SunHaiwashelpinghismother___C____dinnerwhenhisfathergothomefromwork.A.makingB.makesC.tomakeD.made考點8辨析toomany,toomuch與muchtoo【易混辨析】toomuch副詞詞組，表示“……得太多”，修飾動詞eattoomuch吃得太多形容詞詞組，表示“太多”，修飾不可數(shù)（可數(shù)/不可數(shù)）名詞toomany形容詞詞組，表示“太多”，修飾可數(shù)（可數(shù)/不可數(shù)）名詞muchtoo副詞詞組，表示“太……”，修飾形容詞或副詞1.Thereare___A___rulesinmyhome.Wehave_______homeworktodotoday.A.toomany;toomuchB.toomuch;manytooC.toomany;muchtooD.muchtoo;manytoo2.Ihave__B___thingstodotoday,soI’m_______busy.A.toomany;toomanyB.toomany;muchtooC.toomuch;muchtooD.toomuch;toomany3.Wehave___B___rulesintheEnglishclub.A.toomuchB.toomanyC.muchtooD.manytoo考點9四個看【易混辨析】“四個看”：read,watch,look與see單詞用法read“閱讀”，如看報、看書、看雜志等，后接newspaper,letter等詞watch“（聚精會神地）看；注視”，如watchTV/match/game等look強調(diào)“看”的動作，是不及物動詞，后面不能直接跟賓語，需要與介詞at連用再接賓語lookat...see強調(diào)“看”的結(jié)果，意為“看見”，如seeaboy“看到一個男孩”1.Myfather_reads__newspaperseverymorning.我爸爸每天早上看報紙。2.Tomlikes_watching_footballmatches.湯姆喜歡看足球比賽。3._Look___atthispicturecarefully.認真看這種圖片。4.I__see__abirdinthetree.我看到樹上有一只鳥。考點10strict和remember的用法strict形容詞，意為“嚴格的；嚴厲的”。常考短語：bestrictwithsb.對某人要求嚴格；bestrictinsth.對某事嚴謹Eg.Heisverystrictwithhisstudents.他對他的學生要求非常嚴格。1.MissWangisstrict___C___us_______ourwork.A.with;withB.in;inC.with;in考點11remember的用法【易混辨析】重點：remembertodosth.與rememberdoingsth.remembertodosth.“記著要去做某事”，說明事情還沒有做Remembertocallmeupwhenyougethere.rememberdoingsth.“記得做過某事”，說明事情已經(jīng)做過了Irememberseeingherinthiscity.1.John,remember__C____offthelightswhenyouleavetheroom.A.turnB.turnedC.toturnD.turning2.一Pleaseremember__A____soccerwithusnextweek.一OK.Noproblem.A.toplayB.playing C.play D.plays3.Remember__todo___(do)yourhomeworkfirstafterschool.4.請記得遵守學校里的規(guī)定。

Please

__remember__

____to____

___follow___

the

school

rules.考點12keep的用法...Ihaveto/mustkeepmyhairshort.……我必須留短發(fā)。keep及物動詞，意為“保持；保留”，常用于“keep+名詞+賓語補足語”結(jié)構(gòu)，其中，賓語補足語通常由形容詞、副詞、介詞短語或動詞ing形式等充當，意為“保持……處于某種狀態(tài)”。Eg.Wemustkeeptheclassroomclean.我們必須保持教室干凈。I’msorrytokeepyouwaiting.對不起，讓你久等了。1.Fruitsandvegetablescanbehelpfultokeeppeople__health__(healthy).2.Theboss(老板)alwayskeepstheseworkers_working__(work)over10hoursaday.Unit4Don’teatinclass單元作文單元作文假如你是Eric，請你給Dr.Know寫一封信，告訴他你必須遵守的家規(guī)、校規(guī)及你的感受。要求:語句通順,表達流暢,可以適當發(fā)揮;詞數(shù)80左右。自我感受規(guī)則細節(jié)寫作目的自我感受規(guī)則細節(jié)寫作目的范文一：DearDr.Know,Therearetoomanyrulesinmylife!Athome,Ihavetohelpmymomanddaddothedisheseveryday.AndIhavetocleanmyroomonSaturdays.Ican’tgooutwithmyfriendsonweekends.Atschool,wecan’teatinclass.Wehavetowearaschooluniform.Andwecan’tbenoisyinthehallways.HowcanIrelaxwithsomanyrules?WhatshouldIdo?KenLi范文二：DearDr.Know,Canyouhelpme?I’mnothappybecausetherearetoomanyrules.Everymorning,Ihaveto/mustgetupatsixo’clock.Atschool,Ihaveto/mustwearaschooluniform,andIhaveto/mustkeepmyhairshort.Afterschool,Ican’tplaywithmyfriendsorwatchTVbecauseIhaveto/mustdomyhomework.Ican’trelaxonweekendseitherbecauseIhaveto/mustlearntoplaythepiano.Ineverhavefun.WhatcanIdo?ZhaoPei詞匯梳理詞匯梳理1.listen聽；傾聽(v.)→___listener____(n.)傾聽者2.important重要的(adj.)→__importance___(n.)重要性→__importantly__(adv.重要地)3.quiet安靜的(adj.)

→___quietly____(adv.)安靜地4.dish碟；盤(n.)→

____dishes____(復數(shù))5.more更多的(adj/pron.)→___many/much___(adj.)許多6.noisy吵鬧的(adj.)→___noise____(n.)噪音7.relax放松；休息(v.)→___relaxing____(adj.)令人放松的→___relaxed____(adj.)放松的8.read讀(v.)→____reader____(n.)閱讀者9.terrible可怕的(adj.)→__