Unit4单元重点语句解析与训练课件人教版八年级英语下册

Unit4Whydon'tyoutalktoyourparents重点语句解析与训练1.Myparentsdon'tallowmetohangoutwithmyfriends.【解析】allow及物动词，意为“允许;准许”。短语搭配:allowsth.“允许某事”。例如：Ourteacherdoesn'tallowsuchanaction.我们的老师不允许这样的行为。allowdoingsth.“允许做某事”例如：Wedon'tallowsmokinginourhome.在我们家不允许抽烟。allowsb.todosth.“允许某人做某事”例如：Ican'tallowyoutodothat.我不许你做那件事。注意：allow后面可跟名词或动词-ing形式作宾语，但不能直接跟动词不定式【练习】1.Iwouldbeinterestedtoseethemokeysinthezoo,becauseitallowspeople__closertothem.GetB.gettingC.togetD.got2.Ourteachersdon'tallowus__intheriverbecauseit'sdangerous.A.toswimB.swimmingC.swamD.Swim3.Wedon'tallow__(play)cardsintheclassroom.4.Theteacherdidn‘tallowthestudents_(talk)inclass.答案：1.B2.A3.toplay4.totalk2.What'swrong怎么了【解析】怎么了？/出什么问题了？用于询问对方是否遇到困难、身体不适或情绪问题。同义表达:What’sthematterWhat’sthetroubleWhathappenedIsanythingwrong回答方式:直接描述问题：例如：Ihaveaheadache.我头疼。Myleghurts.我的腿疼。说明具体问题：例如：There’ssomethingwrongwithmybike.我的自行车出问题了。

Ilostmykeys.我丢了钥匙。语法结构What’swrongwith+名词/代词例如：What’swrongwithyou你怎么了？What’swrongwiththecomputer电脑出什么问题了【练习】1.—What’swrongwithyoursister—______A.Sheisreadingabook.B.Shehasafever.C.Shelikesdancing.2.—What’sthematter—______I’mfine,thanks.B.Mybikeisbroken.C.It’ssunnytoday.答案：3.Whydon'tyougotosleepearlierthisevening【解析】“Whydon'tyou...”表示“为何不……呢”，常用来提出建议或征求对方的意见，主语you后面跟动词原形相当于“Whynotdosth.”。例如：Whydon'tyouhaveacupoftea=Whynothaveacupoftea为何不来一杯茶呢【练习】1.-Whynotbuyawatchasherpresent—A.Yes,I'dliketoB.SorryC.NoproblemD.Goodidea答案：D2.-Whynot______tothelibrarynow一Goodidea!Let’sgo.A.goesB.togoC.goD.going3.Why____comeandplaybasketballwithusnotB.don'tC.notyouD.aren'tyou答案：4.Well,Iguessyoucouldtellhertosaysorry.【解析】guess本意为“猜；猜测”。Iguess...这一结构与Ithink...，类似，表达“我想…",用于陈述自己的观点、看法及建议。该句式若变为否定句，则要用“否定转移”。例如：Iguess(that)heisright.我想他是正确的。Idon'tguess(that)heisright.我认为他不对。saysorry(tosb)表示“（向某人）道歉”。Saysorryto+人名/代词(+for+过错)。例如:Youshouldsaysorrytoyoursisterforbreakinghertoy.你该为弄坏妹妹的玩具道歉。

Themanagersaidsorrytothecustomersforthedelay.经理为延误向顾客道歉类似这样的口语表达还有：sayhello／hito...向某人问好/打招呼；Sayhello／hito+人名/代词(如him,her,them)。例如：Pleasesayhellotoyourparentsforme.请代我向你父母问好。ImetTomyesterdayandsaidhellotohim.我昨天遇到汤姆并向他打了招呼。Saythanksto+人名/代词(+for+原因)。向某人表达感谢。例如:Don’tforgettosaythankstoMaryforherhelp.别忘了感谢玛丽的帮助。【练习】用hello/thanks/sorry和正确的介词（to/for）填空：Pleasesay__yourteacher___theadvice.2.Ineedtosay_myfriend__losingherbook.3.Didyousay__theguestswhentheyarrived4.Shesaid__theteam__theirhardwork.答案：1.thanksto;for2.sorryto;for3.helloto4.thanksto;for

5.Well,Ifoundmysisterlookingthroughmythingsyesterday.【解析】findsb.doingsth.“发现某人正在做某事”，doing是宾语发出的动作，称为宾语补足语，表示动作正在进行。例如：Ifoundanoldmanlyingonthegroundonmywayhome.在回家的路上我看见一位老人正躺在地上。【知识联想】findsb.dosth.“发现某人做过某事”，强调发现动作经常发生或发现动作的全过程。类似用法的动词还有hear/watch/see/feel等。例如：Ifindhimenterthebuilding.我发现他走进了大楼里。lookthrough意为“快速查看;浏览”例如：It'sagoodhabittolookthroughnewspaperseveryday.每天浏览报纸是个好习惯。【知识联想】与look相关的短语还有:lookat看lookfor寻找lookup查阅;向上看lookafter照料;照顾lookinto调查lookforwardto盼望;期待lookaround环顾lookdownon/upon看不起lookout当心;小心【练习】1.Canyouhelpmeto___mydogwhenI'mawayonholidayA.lookat.B.looklikeD.lookthroughC.lookafter2.Ifoundaboy_intheclassroomwhenIwalkedpast.A.SingsB.sangC.singD.singing3.Ifyouwanttoknowmoreaboutspace,pleaseA_thebookABriefHistoryofTime.

A.lookafterB.lookaroundC.lookthroughD.lookdownupon答案：6.Insteadhewatcheswhateverhewantsuntillateatnight.

【解析】instead副词意为“代替;反而;却”，用来修饰整个句子，位于句末，也可位于句首例如：Hedidn'tplaybasketball.Hewent

swimminginstead.他去游泳了，而没有去打篮球。【辨析】instead与insteadof

insteadof副词短语意为“代替;而不是”，后面可以接名词、代词或者动词-ing

例如：Hewentswimminginsteadofplayingbasketball.【练习】

1.Hedidn'tgotothechildren'shome.HisfriendJackwentthereA___.A.alsoB.tooC.InsteadD.insteadof2.Let'sgoskatinginsteadof___(stay)athome.3.Hedidn‘twritetoJenny.Hetalkedwithheronthephone,instead.(合成一句)答案:1.C2.staying3.Hetalkedwithheronthephoneinsteadofwritingtoher.7.Ifyourparentsarehavingproblems,youshouldoffertohelp.【解析】offer及物动词,意为“主动提出；自愿给予；提供”。offertodosth意为“主动提出做某事”。例如：Thegirlofferedtheoldmanherseat.这个女孩主动把座位让给了老人。MaryoftenofferstohelpmewithmyEnglish.

玛丽经常主动帮我学英语。【辨析】offer与provideoffer“主动提出;自愿给予;提供”,常用于offersbsth或offersthtosb结构。Sheofferedmeajob.＝Sheofferedajobtome.她提供给我一份工作。provide为做好准备而“提供；供应”，常用于providesbwithsth或providesthforsb结构。例如：Theschoolprovidedfoodforthestudents.Theschoolprovidedthestudentswithfood.

学校为学生们提供伙食。【练习】

1.Mikeisaverykindman.Healwaysoffers_D___otherpeople.A.tohelpingB.helpingC.tohelpD.help2.Parentsoften____D__theirchildrensomegoodadvice.A.bothBandCB.offer;/C.provide;withD.offer;with3.-Who____food____thosecutepandas-Thepandakeepers.A.offers;forB.provide;forC.provide;withD.provides;with4.Thelittleboy__hisseattoanoldladyonthecrowdedbus.A.lentB.providedC.offeredD.brought5.Mysister____(offer)tohelptodothehouseworklastweekend.答案：1.C2.A3.B4.C5.offered8.Youareafraidofspeakinginfrontofpeople.【解析】afraid形容词，意为“害怕的；恐惧的”。afraid在句中一般作表语，不用在名词前作定语。其主要用法有：（1）beafraidofsb／sth害怕某人或某物。例如：

Theboyisafraidofhismother.

那个男孩怕他妈妈。

Sheisafraidofthedark.

她怕黑。（2）beafraidofdoingsth“害怕做某事”，侧重主语“担心、害怕”某事发生。例如：

Sheisafraidofmakingmistakes.

她害怕犯错误。

Heisafraidofflying.他害怕坐飞机。（3）beafraidtodosth不敢或害怕做某事”，侧重主语“不敢做某事”。例如：Sheisafraidtodive.她不敢跳水。Heisafraidtofly.他不敢坐飞机。（4）beafraid+that从句“恐怕”多用于客气地提出个人意见或看法。例如：

I'mafraidthatIcan'tgotoday.恐怕我今天去不了。【练习】1.---Areyouafraidof_athome,Linda---No,I'vegrownup.A.beingaloneB.aloneC.beinglonelyD.lonely2.Thelittlegirlisafraid__A_snakes.A.inB.atC.ofD.to答案：

9.Insomefamilies,competitionstartsveryyoungandcontinueuntilthekidsgetolder.【解析】continuedoingsth表示“继续做(某事)”，表示继续做【辨析】continuedoingsth.与continuetodosth.continuetodosth.与目前所做的事情不同的另一件事情例如：Don'tstop!Continuereading,please.

别停下!请继续读。

Hecontinuedtodohisworkafterlunch.

午饭后他继续工作。【练习】1.-Theworkerscontinued____thehouseswhenitbegantorain.-Howhardtheyworked!A.BuildB.tobuildC.buildingD.built2.Let’scontinue__(practice)speakingEnglish.答案：1.C2.practicing10.Andtheyarealwayscomparingthemwithotherchildren.【解析】（1）bealwaysdoingsth意为“总是／一直做某事”，常含有厌恶、赞扬、抱怨等感情色彩，不表示某时刻正在发生的动作。例如：Sheisalwaysthinkingofothersinsteadofherself.

她总是为别人而不是为自己着想。You