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Unit4一、重点短语1.准时,按时2.在课上3.不得不4.外出5.做早饭6.和某人一起玩7.玩的高兴8.在上学期间的晚上9.清洗餐具10.做……迟到11.铺床12.听音乐13.在外吃饭14.制定规则15.在走廊上16.上学迟到17.对某人要求严格18.对某事要求严格19.记得去做某事(事未做)20.记得做过某事21.整理(某人的)床铺22.练习做某事二、语法详解(一)haveto和must1.haveto意为“不得不,必须”,指客观上要求不得不……,表示受外界环境、条件限制所迫而要做的事。有时态、人称和数的变化。当主语是第三人称单数时,用hasto。haveto的一般现在时句型结构为:肯定句:主语+have/hasto+动词原形…Wehavetowearsneakersforgymclass.否定句:主语+don't/doesn'thaveto+动词原形…一般疑问句:Do/Does+主语+haveto+动词原形+…?回答:Yes,主语+do/does./No,主语+don't/doesn't.2.must意思为“必须”,指主观愿望,自觉的去做某事,同时must意味着一种“责任”和“义务”。否定形式为_______________或________.Must引导一般疑问句,肯定回答用____,否定回答用___________或_________.Wemusthelpourparentsdohousework.【练习】1.他需要现在回家吗?Doeshe__________________now?2.We________paytogetintotheconcert.It'sfree.A.can'tB.mustn'tC.mightnotD.don'thaveto3.—________youleavenow?Youonlyarrivedhereanhourago.—Sorry,butsomuchhomeworkiswaitingforme.A.MayB.MustC.CanD.Might4.Maryhastohelphermotherwithcooking.(改为一般疑问句)________Mary________tohelphermotherwithcooking?5.—Mustwetakeoutthetrash(倒垃圾)now?—________.Youcandoitafterclass.A.Yes,youmustB.No,youcan'tC.Yes,youmayD.No,youneedn't(二)intime和ontime词条释义用法例句ontime表示“恰巧在那一时刻赶到”(不早不晚)Comehereontimetomorrow.intime表示“在限时到来之前,来得及”(没误事)Theyshouldarriveintimetohavethemeeting.【练习】1.Theteachershopeallofuscanhand____ourhomework____timeeveryday.A.up,inB.out,onC.on,inD.in,on2.翻译:我们希望你能及时赶来参加会议(attendthemeeting)(三)fight:词性固定搭配及含义(四)listento:“听……”,后跟名词、代词做宾语。辨析:词条用法例句listen强调“听”的_____,表示有意识的听,是_____(及物/不及物)动词,后面____(能/不能)直接跟宾语。Listen!Someoneiscallingforhelp.listento后面____(能/不能)直接跟宾语,表示有目的、有意识的听。Listentome,please.hear强调“听”的____,意思为“听到,听见”,可作为及物动词也可为不及物动词。Canyouhearanything?【练习】1.我们应该认真听老师讲课。Wemust_____________carefully.2.He_____(listened/heard)carefully,buthedidn’t____(hear/listen)anything.(五)辨析:词条含义及用法例句wear意思为“_______”,强调“穿”的________(动作/状态),也可以指“戴着(假发或眼镜);留(胡须或头发)”Lucy的妈妈总是戴着一副眼镜:bein后跟__________,表示______(动作/状态)她穿着红色的衣服:puton意思为“_______”,强调“穿”的______(动作/状态),反义词组为_______。puton是动副词组,当宾语是名词时放________,当宾语是代词时放_____请穿上你的外套:dress指给自己或他人穿衣,既可以表示动作,也可以表示状态。固定搭配:给某人穿衣:_________,某人给自己穿衣:________他已足够大,可以自己穿衣服(enough……todosth.):(六)辨析:词条含义及用法toomany意思为“_______”,后跟_________toomuch意思为“________”,后跟__________muchtoo意思为“_________”,后跟__________【练习】1.我有太多的家庭作业要做。2.超市里人太多了。3.这道题太难了。(七)Don’tleavethedirtydishesinthekitchen.leave:v.在本句中意思为“留下,落下”,常用于“leavesth+介词短语”,意思为_______,还可意为“离开”。Ioftenleavemyschoolbagathome.【拓展】leave与forget的区别:1.leave通常与表示地点的状语连用。Oh,Ihaveleftmycellphoneinmyoffice.2.forget指“遗忘某物”,指忘记具体的东西,不能与表示地点的词或短语连用。Don’tforgettheticketsandtheumbrella.(八)bring:“带来,取来”,指把某物从远处带到说话现场来。常用结构:_____________“把某人/某物带到某地”,__________________“给某人带来某物”单词含义用法例句bring_______指将某人/某物从别的地方带到说话者所在的地方不要忘记把你的英语书带来:take_______指将某人/某物从说话者的身边带到别的地方(远方)请把椅子拿到教室去:(九)祈使句的使用1.定义:表示请求、命令、警告、建议等的句子叫祈使句。在祈使句中,一般以动词原形开头,通常省略主语you,句末可以用感叹号或句号。2.祈使句的句式结构祈使句句式肯定形式否定形式P型:Please+动词原形+其他Pleasestandup.Pleasedon'tstandup.[来源:Zxxk.Com]V型:动词原形+其他Putawayyourthings.Don'ttalkinclass.L型:Let+宾语+动词原形+其他Letmehelpyou.Don'tlethergo.B型:Be+表语Becareful!Don'tbelateforclass![来源:学科网ZXXK]N型:No+名词/动名词NOSMOKING!3.对祈使句的基本回答(1)A:Tom,taketheboxtoMr.Wu'soffice.汤姆,把盒子搬到吴先生的办公室去。B:肯定回答:Yes,Iwill.好的,我会做的。[来源:学科网ZXXK]否定回答:Sorry,Ican'tcarryit.对不起,我搬不动它。(2)A:Don'tlistentomusicinclass.课堂上不要听音乐。B:No,Iwon't.好的,我不会的。(用于自己之前没做过,同时也表明自己今后也不会做时)或Sorry,Iwon'tdoitinfuture.对不起,我今后不会这样做了。(用于自己犯错,被别人禁止做时)(3)A:Let'sgooutforawalk.(用“Let'sdosth.”时,常用于提出建议)B:肯定回答:That'sagoodidea.或Thatsoundsgood.(直接表示赞同)否定回答:Oh,no.It'stoohot.或Oh,no.Let'swatchTVathome.(可用“No”作否定回答,并适当解释或提出自己的见解)【单元过关】一.单项选择:1.We________paytogetintotheconcert.It'sfree.A.can'tB.mustn'tC.mightnotD.don'thaveto2.Jillhastogotobed________teno'clock.A.onB.beforeC.withD.In3.Thereare_____rulesatmyhomeand____homeworkatschool.Ican'tstand(忍受)them.A.toomuch;toomanyB.toomany;toomuchC.toomuch;toomuchD.toomany;toomany4.Pleaseremember________yournotebookheretomorrow.A.bringsB.broughtC.bringingD.tobring5.Myparentsareverystrict________me________mylessons.[来源:学科网][来源:学。科。网]A.at;inB.in;withC.with;inD.in;at6.Howkindyouare!Youalwaysdowhatyoucan____others.A.helpB.helpingC.helpsD.tohelp7.Tom,____afraidofspeakinginfrontofothers.Youarethebestone.A.don’tB.notC.notbeD.don’tbe8.--Doyouclimbmountainseveryday?--Yes,___alittleexercise.I’minpoorhealth.A.getB.togetC.gotD.getting9.Theyarrived_____Shanghai_____acoldmorning.A.at,inB.in,inC.in,onD.at,on10.Lilyopenedthedoorandrushedintotherain____Icouldstopher.A.untilB.beforeC.unlessD.after11.--I’msorry,Mr.Li.I___myEnglishhomeworkathome.--Don’tforget___ittoschooltomorrow.A.left,tobringB.forgot,totakeC.lost,tobringD.lost,totake12.--Mom,___Iplaycomputergames?--Yes,youcan.Butyouhavetofinishyourhomeworkfirst.A.mustB.mayC.needD.will13.Yesterdayitrainedheavilywhenclasswasover.We____stayintheclassroom.A.shouldB.mustC.hadtoD.need14.--MayIparkmycarhere?--____.Youmayparkitoverthere.A.Yes,youcanB.Yes,youcan’tC.No,youneedn’tD.No,youmustn’t15.Don’tarrivelateforclass,_____?A.doyouB.aren’tyouC.willyouD.don’tyou二.根据句义或首字母提示完成单词:1.Healthyeatinghabitsarei______tous.2.Aliceusedtobeq____,butnowsheisveryoutgoing.3.Wehavetoweara_____(制服)atschool.三.句型转换:1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