2025年人教版八年级英语下册考点清单：情态动词（shouldcould）和反身代词【讲练合一】

专题02情态动词(should,could)和反身代词

管知识清单

情态动词

一、should的用法

情态动词should意为“应当；应该“，后接动词原形，没有人称和数的变化，否定形

式为should/t。

1、should的句式结构

句式结构例句

肯定句主语+should+动词原形+其他Weshouldhelpthepeopleintrouble.

否定句主语+shouldn^+动词原形+其他Theyshouldn'teattoomuch.

特殊疑问特殊疑问词+should+主语+动词原形+Whereshouldwemeet?

句其他？

Should+主语+动词原形+其他？一Ifstoocold.ShouldIclosethe

window?

一般疑问肯定回Yes,主语+should.-Yes,youshould.

句答

否定回No,主语+shouldift.-No,youshouldn't.

答

2、should的基本用法及示例

用法示例

表示劝告、建议YoushouldanswerthequestioninEnglish.你应该用英语回答这个

问题。

表示义务、责任Childrenshoulddotheirhomeworkbythemselves.孩子们应该独自

做作业。

表示推断、判断Theyshouldbeathomenow,Ithink.我认为，他们现在应该在家。

1

表示惊讶、赞叹、不满HowshouldIknow?我怎么会知道？

等

—»could的用法

情态动词could构成的句型用于向对方委婉地提出请求或征求对方的许可，它本身不能做

谓语，必须和不带to的动词原形一起构成谓语。

1、基本用法

(1)could用于第一人称，表示希望得到对方的许可。

句型CouldI…？意为“我可以做…….吗？”，用于请求对方允许自已做某事，此时could不是can

的过去式。

肯定回答：Yes,youcan./Yes,please./Yes,sure./Certainly.

否定回答：No,youcan't./Sorry,youcan't./No,I'mafraidyoucan't.。

—CouldIsmokehere,please?请问我能在这里抽烟吗？

一Yes,youcan.是的，你能。

—CouldIgotothemovieswithmyfriendtomorrow,Mum?妈妈，我明天可以和朋友去看电影

吗？

—No,youcan't.Youshouldtakeyourpianolesson.不，不行。你要上钢琴课。

(2)could用于第二人称，表示委婉地提出请求。

句型Couldyou(please)do...?意为“(请)你做……好吗？”，用于提出要求或请求，其否定

形式为Couldyoupleasenot...?

肯定回答：Yes,sure/ofcourse.(是的，当然可以)。

Noproblem.没问题。

Withpleasure.乐意帮忙。

2

Sure/Ofcourse/Certainly,Ican.当然可以。

否定回答：Certainlynot,当然不。

Sorry,Ican'tIhaveto…对不起，我不能。我得...

Sony,「ingoingto…对不起，我将要……

I'mafraidIcan't.Ihaveto…我恐怕不能。我得...

I'mafraidnot恐怕不行。

一Couldyoupleasegohikingwithmetomorrow?明天你能和我一起去徒步吗？

一Sorry,Ican't,havetostudyforatest.对不起，我不能。我得为考试而学习。

2、特殊用法

(1)表示请求允许，即请求别人允许自己做某事，could和can都可以用，但could语气更委

婉。

Could/CanIgo?我可以去吗？

(2)表示给予允许，即自己允许别人做某事，一般只用can,而不能用could.

一CouldIuseyourdictionary?我可以用你的词典吗？

一Yes,ofcourseyoucan.当然可以。

自考场练兵

基础训练

1.Tomakeourdreamcometrue,werestonwhatwehavedone.

A.maynotB.shouldnotC.neednotD.couldnot

2.—Mum,doyouthinkItakepartintheChemistrycompetition?

—Whynot?IfIwereinyourshoes,Icertainlywould.

A.mightB.wouldC.shouldD.must

3.—I'mworriedaboutmyschoolgrades.

—Maybeyouplaytoomanycomputergames.

3

A.shouldB.shouldn'tC.couldD.can

4.Theschoolruleisthatwetalkwithanyoneloudlyinthelibrary.

A.wouldn'tB.would

C.shouldD.shouldn't

5.Allofuslistentotheteacherscarefullyinclass.

A.shouldB.shouldn't

C.canD.can't

6.Peopletalkonamobilephonewhiletheyaredriving.

A.shouldn'tB.needn'tC.mustD.can

7.Wetryourbesttofightagainstpollution.

A.shouldB.mayC.mustn'tD.needn't

8.Davidastomachache.Sohe____eatanything24hours.

A.has,shouldB.has,should'tC.have,shouldn'tD.has,shouldn't

9.Ican'tsleep,soIlistentoquietmusic,andIlistentoexcitingmusic.

A.should;shouldB.shouldn't;shouldn't

C.should;shouldn'tD.can;don/t

10.—Idon'tcarewhatmyteachersthink.

—Well,you.

A.couldB.wouldC.shouldD.might

11.—Iwearjeanstothemeeting?

—Ofcoursenot.Jeansarenotsuitablefortheformalevent.

A.NeedB.CouldC.WillD.Should

12.—Couldyoupleasebuysomedrinksandsnacks?

—.Idon/thaveanymoney.

A.No,Icouldn'tB.Sorry,Ican'tC.Yes,sureD.Noway

13.—yousend（邮寄）theletterforme?

-OK.

A.CouldB.MustC.MayD.Should

14.—Excuseme,youpleasetellmewhereIcanpostaletter?

—.Turnleft.ThereisapostofficeonFifthRoad.

A.could;SureB.could;SorryC.will;SoundsgreatD.will;Goodidea

15.—David,youpleasesweepthefloorandtakeouttherubbish?

—OK,Iamcoming.

A.couldB.shouldC.doD.will

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16.Theboyrideahorsewhenhewaseightyearsold.

A.mustB.couldC.wouldD.may

17.——youpleasehelpmelookformyEnglishbook?Ican'tfinditanywhere.

—Withpleasure.

A.ShouldB.Must

C.MightD.Could

18.—peopletalkwithfriendsbyQQtwentyyearsago?

—No,buttodaymostofusdothat.

A.Can;couldB.Could;canC.Could;couldD.Could;can't

19.—Excuseme.Isithere?

—You'dbetternot.It'stheman'sseat.

A.MustB.NeedC.CouldD.Should

20.——Itakethemagazineoutofthereadingroom?

—I'msorryyou_.

A.Could;couldn'tB.Must;couldn'tC.Will;can'tD.May;can't

提升训练

1.（2024•西藏•中考真题）Youeattoomuchfoodbeforeyougotobed,orit'sbadforyou.

A.canB.couldC.shouldn'tD.would

2.（2024•江苏无锡•中考真题）Shh...!Thisisalibrary.Youkeepyourvoicedown.

A.canB.can'tC.shouldD.shouldn't

3.（2023•江苏连云港•中考真题）Earthquakescanbeverydangerous.Welearntoprotectourselves.

A.mightB.shouldC.couldD.would

4.（2023•湖北武汉•中考真题）一Excuseme,butwewaitinlinetogetonthesubway.

一I'msorry.

A.mightB.wouldC.couldD.should

5.（2023•湖北黄石•中考真题）YoungChinesepeoplekeepthemotherlandatheart,aimhigh,andhave

theirfeetfirmlyontheground.

A.shouldB.canC.mayD.need

6.（23-24八年级下•山东滨州•期中）—Ihaveabadcold.

—Youliedownandhaveagoodrest.

A.shouldB.mayC.willD.can

7.（23-24八年级下•江西南昌•期中）—Mom,Ididn'tsleepwelllastnightandI'msotirednow.

—Oh,mypoorbaby,youstayuplatetoplaywithyournewmobilephone.

A.wouldn'tB.needn'tC.shouldn'tD.can't

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8.（23-24八年级下•安徽池州•期中）—Jamesatemuchandhehasastomachachenow.

—Ithinkheliedownandhavearest.

A.shouldB.mayC.willD.might

9.（23-24八年级下•山东滨州•期中）Peopletalkonamobilephonewhiletheyaredriving.

A.shouldn'tB.needn'tC.don'thavetoD.can

10.（23-24八年级下•云南普洱•期末）一youpleasenotthrowrubbisheverywhere?

—Sorry,KIIpickitup.

A.CouldB.NeedC.ShouldD.Must

11.（23-24八年级下,安徽阜阳•期末）一Couldyoupleasehelpmemakemybed?

一I'mafraidI.Youdoitonyourown.

A.could;mayB.couldn't;shouldC.can/t;shouldD.can't;may

12.（23-24八年级下•甘肃张掖•期末）—Lily,yougivemeahand?Ican'tcarrytheheavyboxbymyself.

—Sure,letmehelpyou.

A.couldB.mustC.shouldD.need

13.（23-24八年级下•江西抚州•期末）一Iuseyourdictionary,Lisa?

—Waitaminute,please.Kmusingitnow.

A.MustB.NeedC.ShouldD.Could

14.（23-24八年级下,甘肃武威•期末）一youhelpmecarrytheheavybox?

—Withpleasure.

A.MustB.ShouldC.CouldD.Need

15.（23-24八年级下,辽宁丹东•期末）—CouldIgooutfordinnerwithmyfriends,mum?

—Youhavesomuchhomeworktodo.

A.Yes,sure.B.Sorry,youcan't.C.Whynot?D.No,youcouldn't.

16.（23-24八年级下,陕西商洛•期末）MybrotherStevenisasmartboy.Hereadwhenhewasfive.

A.mustB.shouldC.couldD.might

17.（23-24八年级下,吉林长春•期末）—Mom,couldIgooutwithmyfriendonSunday?

A.No,youdon't.B.Yes,youcould.C.Yes,youcan.D.No,youcouldn/t.

18.（23-24八年级下•山东荷泽•期中）一Mum,Igoshoppingwithyou?

—Yes,you.Butyouhavetofinishyourhomeworkfirst.

A.could;canB.could;couldC.must;canD.must;could

19.（23-24八年级下•甘肃庆阳•期末）一WhatIdowhenmyparentsdon'tagreewithme?

—Youtalkwiththemandletthemknowyourthoughts.

A.should;canB.could;shouldn'tC.can;can'tD.needn't;should

20.（23-24八年级下,云南昭通•期末）—IheardJackgotafinebecausehedrovesofastyesterday.

6

—Yes.Heobeythetrafficrulesallthetime.

A.shouldB.canC.mayD.shall

用知识清单

反身代词

1.含义及构成

表示反射或强调的代词叫做反身代词。它们由第一人称、第二人称的形容词性物主代词或

第三人称的宾格形式，在词尾加-self或-selves构成。反身代词常译为"......本人，……自己”。

类别第一人称第二人称第三人称

单数myself我自己yourself你自己himself他自己herself她自己itself它自己

复数ourselves我彳门自己yourselves你们自己themselves他们/她们/它们自己

2用法

反身代词与它所指的名词或代词形成互指关系，在人称和数上保持一致。

(1)作宾语

反身代词常在teach,enjoy,help,hurt,lookafter等后作宾语。

Theboyisoldenoughtolookafterhimself.这个男孩足够大，可以照顾自己了。

⑵作同位语

反身代词常用作主语或宾语的同位语，用来加强语气。

MissGreenherselfisanurse.格林小姐本人就是一位护士。

YoushouldgoandaskTomhimself.你应该去问一下汤姆本人。

(3)作表语

反身代词可放在be,feel,seem,look等连系动词后作表语，用来描述身体或精神等方面的感觉或

状态。

7

Justbeyourself.做你自己就好了。

3.含有反身代词的常用短语

enjoyoneself玩得高兴

hurt/cutoneself伤/害！］着自己

byoneself独自，单独

believeinoneself相信自己

helponeselfto...随便吃/喝...

teachoneself../learn...byoneself自学...

loseoneselfin迷恋，沉醉于

自考场练兵

基础训练

1.—Yoursister'sEnglishisverygood.Whotaughther?

—Nobody.Shelearneditby.

A.myselfB.yourselfC.herselfD.himself

2.—Wheredidyougetthisskylantern?

—Imadeitby.

A.herselfB.itselfC.myselfD.yourself

3.Thesummercampwasreallywonderful,andLisaenjoyed.

A.yourselfB.himself

C.myselfD.herself

4.DoingTaichi（太极）canhelppeopleimproveinhealth.

A.myselfB.itselfC.ourselvesD.themselves

5.NobodytaughtmygrandmahowtouseWeChat.Shelearneditallby.

A.somebodyB.anybodyC.himselfD.herself

6.Studentscannotonlylearnfromtheirteachersbutalsolearnbyduringonlinecourses.

A.theyB.themC.themselvesD.their

7.NobodyteachesMaryEnglish.Sheteaches.

8

A.herB.herselfC.sheD.hers

8.WhenIfacedifficulties,Ialwayssayto/'Nevergiveup!"

A.meB.myC.mineD.myself

9.Taichi,partofChineseculture,isanexercisewhichhelpspeopleimproveinhealth.

A.themselvesB.ourselvesC.itselfD.myself

10.Shehadtolookafterbecausehermotherwastoobusytostaywith.

A.herself;herB.her;herselfC.her;herD.herself,herself

提升训练

1.（23-24八年级下,安徽淮北•期末）Lifeislikeaboxofchocolate,andyouneverknowwhatyouare

goingtogetuntilyouopenit.

A.itB.itselfC.it'sD.its

2.（23-24八年级下•安徽宿州•期末）一Howamazingthisrobotis!Itcancleanthefloorby!

—Yeah.Itcanreceivetheorderthroughthephone.

A.yourselfB.herselfC.himselfD.itself

3.（23-24/l年级下•河1匕开B台•期末）Nowadays,thesweepingrobotcanstartcleaningbybecausepeople

cancontrolitontheirphone.

A.herselfB.itselfC.yourselfD.himself

4.（23-24八年级下•辽宁丹东•期末）Theywentdeepintothemountainstostudykungfuandmade

strong.

A.themB.theyC.theirD.themselves

5.（23-24八年级下•湖北孝感•期中）一Where'sLucy?Ididn'tseehertoday.

—Oh,shehurtwhensherodetoschoolthismorning.Shewenttoadoctor.

A.herB.herselfC.himD.himself

6.（23-24八年级下•江西宜春•期末）一Doctor,doIneedtotakeanymedicine?

—No.It'snotserious.Justdrinkenoughwater.Yourbodywillfightthevirus（病毒）.

A.itselfB.herselfC.himselfD.myself

7.（23-24八年级下•安徽阜阳•期末）一Iwillhaveatennisgametomorrow.Kmalittlenervous.

—Believein.Youarethebestinourschool.

A.myselfB.yourselfC.herselfD.himself

8.（23-24八年级下•河北张家口•期末）Thegirlisoldenoughtolookafter.

A.herB.herselfC.hersD.yourself

9.（23-24八年级下•山东滨州•期末）—Howisyournewjob,Sandy?

—Great.Theworkiseasy.

A.himselfB.itselfC.ourselvesD.themselves

9

10.（23-24八年级下,广东深圳•期末）Boys,don'tloseinplayinggames.Itisbadforyoureyestostare

atthescreenforalongtime.

A.yourselvesB.yourselfC.themselvesD.ourself

（23-24八年级下•北京东城・期末）Bettyisn'tconfident.Shedoesn'talwaysfeelsureof

A.sheB.herC.herselfD.hers

12.（23-24八年级下•河北保定・期末）Myboy,youshouldmakeyourbedby

A.myselfB.yourselfC.itselfD.herself

13.（23-24八年级下•江西南昌•期末）Therabbitcanseebehindwithoutturningitshead.That's

becauseitseyeareonthesidesofitshead.

A.yourselfB.itselfC.ourselvesD.themselves

14.（23-24八年级下•上海杨浦・期末）Let'spaintthehouse.Itwillbemuchcheaper.

A.usB.ourC.ourselvesD.ours

15.（23-24八年级下•上海金山・期末）Davidishappybecausehislittledaughtercanbrushherteeth

A.sheB.hersC.herD.herself

16.（22-23八年级下•安徽池州・期末）Whentimesaredifficult,tellthatpainispartofgrowing.

A.yourselfB.youC.yourD.yours

17.（23-24八年级下•吉林松原•期中）Jennyisgrowingfast.Sheisoldenoughtodressnow.

A.herB.herselfC.himD.himself

18.（23-24八年级下•安徽淮南•期中）Sueisalwaysreadytohelpothers.Shethinkshelpingothersishelping

A.himselfB.herselfC.myselfD.themselves

19.（23-24九年级上・甘肃定西•期末）—Whotaughtscience?

—Nobody.Itaught

A.your;meB.your;myselfC.you;myselfD.you;me

20.（22-23八年级下•河北唐山・期末）Watchingtheteapreparationisjustasenjoyableasdrinkingthetea

A.itB.itsC.it'sD.itself

10

专题02情态动词(should,could)和反身代词

管知识清单

情态动词

一、should的用法

情态动词should意为“应当；应该“，后接动词原形，没有人称和数的变化，否定形

式为shouIdiVt。

1、should的句式结构

句式结构例句

肯定句主语+should+动词原形+其他Weshouldhelpthepeopleintrouble.

否定句主语+shouldift+动词原形+其他Theyshouldn'teattoomuch.

特殊疑问特殊疑问词+should+主语+动词原形+Whereshouldwemeet?

句其他？

Should+主语+动词原形+其他？一Ifstoocold.ShouldIclosethe

window?

一般疑问肯定回Yes,主语+should.-Yes,youshould.

句答

否定回No,主语+shouldift.-No,youshouldn't.

答

2、should的基本用法及示例

用法示例

表示劝告、建议YoushouldanswerthequestioninEnglish.你应该用英语回答这个

问题。

表示义务、责任Childrenshoulddotheirhomeworkbythemselves.孩子们应该独自

做作业。

表示推断、判断Theyshouldbeathomenow,Ithink.我认为，他们现在应该在家。

11

表示惊讶、赞叹、不满HowshouldIknow?我怎么会知道？

等

—»could的用法

情态动词could构成的句型用于向对方委婉地提出请求或征求对方的许可，它本身不能做

谓语，必须和不带to的动词原形一起构成谓语。

1、基本用法

(1)could用于第一人称，表示希望得到对方的许可。

句型CouldI…？意为“我可以做…….吗？”，用于请求对方允许自已做某事，此时could不是can

的过去式。

肯定回答：Yes,youcan./Yes,please./Yes,sure./Certainly.

否定回答：No,youcan't./Sorry,youcan't./No,I'mafraidyoucan't.。

—CouldIsmokehere,please?请问我能在这里抽烟吗？

一Yes,youcan.是的，你能。

—CouldIgotothemovieswithmyfriendtomorrow,Mum?妈妈，我明天可以和朋友去看电影

吗？

—No,youcan't.Youshouldtakeyourpianolesson.不，不行。你要上钢琴课。

(2)could用于第二人称，表示委婉地提出请求。

句型Couldyou(please)do...?意为“(请)你做……好吗？”，用于提出要求或请求，其否定

形式为Couldyoupleasenot...?

肯定回答：Yes,sure/ofcourse.(是的，当然可以)。

Noproblem.没问题。

Withpleasure.乐意帮忙。

12

Sure/Ofcourse/Certainly,Ican.当然可以。

否定回答：Certainlynot,当然不。

Sorry,Ican'tIhaveto…对不起，我不能。我得...

Sony,「ingoingto…对不起，我将要……

I'mafraidIcan't.Ihaveto…我恐怕不能。我得...

I'mafraidnot恐怕不行。

一Couldyoupleasegohikingwithmetomorrow?明天你能和我一起去徒步吗？

一Sorry,Ican't,havetostudyforatest.对不起，我不能。我得为考试而学习。

2、特殊用法

(1)表示请求允许，即请求别人允许自己做某事，could和can都可以用，但could语气更委

婉。

Could/CanIgo?我可以去吗？

(2)表示给予允许，即自己允许别人做某事，一般只用can,而不能用could.

一CouldIuseyourdictionary?我可以用你的词典吗？

一Yes,ofcourseyoucan.当然可以。

自考场练兵

基础训练

1.Tomakeourdreamcometrue,werestonwhatwehavedone.

A.maynotB.shouldnotC.neednotD.couldnot

【答案】B

【详解】句意：为了实现我们的梦想，我们不应该停留在我们做过的事情上。

考查情态动词。maynot可能不；shouldnot不应该；neednot不必；couldnot不能。根据"restonwhatwehave

done.〃可知是不应该停留在已经做过的事情上。故选Bo

2.—Mum,doyouthinkItakepartintheChemistrycompetition?

13

—Whynot?IfIwereinyourshoes,Icertainlywould.

A.mightB.wouldC.shouldD.must

【答案】C

【详解】句意：一一妈妈，你认为我应该参加化学比赛吗？一一为什么不呢？如果我是你的话，我一定会的。

考查情态动词用法。might可能；would会；should应该；must必须。根据"IfIwereinyourshoes,Icertainly

would/可推断出前句询问是否"应该"做某事，因此should符合句意。故选C。

3.—I'mworriedaboutmyschoolgrades.

—Maybeyouplaytoomanycomputergames.

A.shouldB.shouldn'tC.couldD.can

【答案】B

【详解】句意：一一我担心我的学业成绩。一一也许你不应该玩太多电脑游戏。

考查情态动词。should应该；shouldn't不应该;could能；can能。根据"mworriedaboutmyschoolgrades.”

并结合选项可知，此处指也许你不应该玩太多电脑游戏。故选B。

4.Theschoolruleisthatwetalkwithanyoneloudlyinthelibrary.

A.wouldn'tB.would

C.shouldD.shouldn't

【答案】D

【详解】句意：学校的规定是我们不应该在图书馆和任何人大声说话。

考查情态动词。wouldn't不会;would将要；should应该；shouldn't不应该。由“we...talkwithanyoneloudly

inthelibrary”可知，此处指在图书馆不应该大声说话。故选D。

5.Allofuslistentotheteacherscarefullyinclass.

A.shouldB.shouldn't

C.canD.can't

【答案】A

【详解】句意：我们在课堂上都应该认真听老师讲课。

考查情态动词。should应该；shouldn't不应该；can能；can't不能。i^AIIofus...listentotheteacherscarefully

inclass”可知，此处指上课应该认真听讲。故选A。

6.Peopletalkonamobilephonewhiletheyaredriving.

A.shouldn'tB.needn'tC.mustD.can

【答案】A

【详解】句意：人们不应该在开车的时候打电话。

考查情态动词辨析。should't不应该;needn't不必;must必须；can能够。根据"talkonamobilephonewhile

theyaredriving”及常识,可知,开车时不应该打电话，故选A。

7.Wetryourbesttofightagainstpollution.

14

A.shouldB.mayC.mustn'tD.needn't

【答案】A

【详解】句意：我们应该尽力与污染作斗争。

考查情态动词辨析。should应该；may也许;mustn't禁止；needn't不必。分析“We...tryourbesttofightagainst

pollution.“可知，此处强调义务，"应该"符合语境，故选A。

8.Davidastomachache.Soheeatanything24hours.

A.has,shouldB.has,should'tC.have,shouldn'tD.has,shouldn't

【答案】D

【详解】句意：戴维肚子痛。所以他24小时都不应该吃东西。主语David三单，谓语三单，have的三单是

has,“不应该做某事〃shouldrftdosth.；结合句意和选项可知选Do

9.Ican'tsleep,soIlistentoquietmusic,andIlistentoexcitingmusic.

A.should;shouldB.shouldn't;shouldn't

C.should;shouldn'tD.can;don't

【答案】C

【详解】句意：我睡不着，所以我应该听轻音乐，我不应该听令人兴奋的音乐。Should应该，shouldMt不

应该，表示建议；结合句意和语境可知选C。

10.—Idon'tcarewhatmyteachersthink.

—Well,you.

A.couldB.wouldC.shouldD.might

【答案】C

【详解】句意：一一我不在乎老师会怎么看我。一一唉，你应该在乎的。

考查情景交际。本题的含义应该是你应该在乎老师如何看待你，should表示应该的意思，符合题意，故本

题选Co

11.—Iwearjeanstothemeeting?

—Ofcoursenot.Jeansarenotsuitablefortheformalevent.

A.NeedB.CouldC.WillD.Should

【答案】B

【详解】句意：一一我可以穿牛仔裤去开会吗？一一当然不能。牛仔裤不适合参加正式场合。

考查情态动词。Need需要；Could能够；Will将会；Should应该。根据"Ofcoursenot.”可知此处表示委婉地

提出请求，用Could。故选B。

12.—Couldyoupleasebuysomedrinksandsnacks?

—.Idon/thaveanymoney.

A.No,Icouldn'tB.Sorry,Ican'tC.Yes,sureD.Noway

【答案】B

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【详解】句意：一一你能买些饮料和零食吗？一一对不起，我不能。我没有钱。

考查一般疑问句。No,Icouldn't不,不能；Sorry/can't对不起,我不能；Yes,sure是的,当然可以；Noway

没门。根据"IdoYthaveanymoney.”可知，应用否定回答，could表示委婉语气，所以用carft回答，故选B。

13.—yousend（邮寄）theletterforme?

-OK.

A.CouldB.MustC.MayD.Should

【答案】A

【详解】句意：一一你能把信邮寄给我吗？一一好的。

考查情态动词。couldtb；must必须;may可能；should应该。根据"yousend（邮寄）theletterforme”可知

此处是请求允许，用结构couldyoudosth."你能做某事吗〃。故选A。

14.—Excuseme,youpleasetellmewhereIcanpostaletter?

—.Turnleft.ThereisapostofficeonFifthRoad.

A.could;SureB.could;SorryC.will;SoundsgreatD.will;Goodidea

【答案】A

【详解】句意：一一打搅一下，你可以告诉我在哪里可以寄信吗？一一当然，向左转。在第五路上有一个邮

局。

考查could的用法和情景交际。could可以；will将要，会;Sure当然;Sorry抱歉；Soundsgreat听起来很棒;

Goodidea好主意。根据主youpleasetellmewhereIcanpostaletter”可知，此处是问路，表示委婉语气用couldo

根据"Turnleft.ThereisapostofficeonFifthRoad."可知，回答者愿意帮忙，因此"sure（当然）”符合语境。故选

Ao

15.—David,youpleasesweepthefloorandtakeouttherubbish?

—OK,Iamcoming.

A.couldB.shouldC.doD.will

【答案】A

【详解】句意：一一大卫，你能扫扫地，倒倒垃圾吗？一一好的，我来了。

考查情态动词的用法。could能；should应该;do做；will将。根据"youpleasesweepthefloorandtakeoutthe

rubbish”可知，这是一个表示请求允许的句子，用固定句式"couldyoupleasedosth〃。故选A。

16.Theboyrideahorsewhenhewaseightyearsold.

A.mustB.couldC.wouldD.may

【答案】B

【详解】句意：这个男孩八岁时就能骑马。

考查情态动词。must必须；could能够；would将会；may可以。根据"whenhewaseightyearsold”可知八岁

时能够骑马，用一般过去时，此处用could。故选B。

17.——youpleasehelpmelookformyEnglishbook?Ican'tfinditanywhere.

16

—Withpleasure.

A.ShouldB.Must

C.MightD.Could

【答案】D

【详解】句意：一一你能帮我找一下我的英语书吗？我到处都找不到。一一愿意效劳。

本题考查情态动词。Should应该;Must必须；Might可能；Could能，可以。根据"youpleasehelpmelook

formyEnglishbook?"可知，此处表示请求，句型是Couldyouplease...。故选D。

18.—peopletalkwithfriendsbyQQtwentyyearsago?

—No,buttodaymostofusdothat.

A.Can;couldB.Could;canC.Could;couldD.Could;can't

【答案】B

【详解】句意：一一二十年前人们可以通过QQ和朋友聊天吗？一一不能，但今天我们大多数人都能做到。

考查情态动词。can能；could能，can的过去式；caiYt不能。根据第一个空空后的"twentyyearsago”可知,

句子时态为一般过去时，此处应用动词的过去式形式；根据第二个空空前的"today〃可知，句子时态为一般

现在时；根据空前的"but〃可知，此处句意发生了转折，表示但今天我们大多数人都能做到。故选B。

19.—Excuseme.Isithere?

—You/dbetternot.It/stheman'sseat.

A.MustB.NeedC.CouldD.Should

【答案】C

【详解】句意：一一打扰一下。我可以坐在这吗？一一你最好不要。这是那个男人的座位。

考查情态动词辨析。must必须；need需要；could可以；should