系動(dòng)詞和情態(tài)動(dòng)詞8

專題8系動(dòng)詞和情態(tài)動(dòng)詞┃考點(diǎn)直擊

┃【考綱解讀】考點(diǎn)課標(biāo)要求命題預(yù)測系動(dòng)詞掌握系動(dòng)詞的基本用法?？疾閟eem,become,look,smell,taste等系動(dòng)詞的用法。情態(tài)動(dòng)詞掌握情態(tài)動(dòng)詞的用法?？疾榍閼B(tài)動(dòng)詞may，can,must,could，might，need等的基本用法。(1)系動(dòng)詞不能單獨(dú)使用，后面必須跟表語。(2)情態(tài)動(dòng)詞須和動(dòng)詞原形連用構(gòu)成謂語，沒有人稱和數(shù)的變化。常見考點(diǎn)如下：1系動(dòng)詞的用法系動(dòng)詞后常跟形容詞作表語。?？枷祫?dòng)詞詞義例句become成為，變得HebecameinterestedinEnglish.他對(duì)英語產(chǎn)生了興趣。get變得Igotveryangry.我很生氣。turn變得Thetreesturngreeninspring.樹在春天變綠。grow漸漸變得，逐漸成為Itwasgrowingdark.天漸漸黑了。keep保持Keepquiet,please.Thebabyissleeping.請(qǐng)保持安靜，孩子在睡覺。seem似乎，好像Itseemsright.它好像是對(duì)的。feel感到，摸起來Thecoatfeelsverysoft.這件外套摸起來很柔軟。look看起來Yourmotherlooksyoung.你媽媽看上去很年輕。smell聞起來Theflowerssmellnice.這些花聞起來很香。sound聽起來TheEnglishsongsoundswonderful.這首英文歌聽起來很棒。taste嘗起來Thesouptastesdelicious.湯嘗起來很美味?！镜淅?】—Oh,I'mhungry,Mom.CanIhavethehamburgerontheplate?—You'dbetternot.Ittastes________．A．terribleB．terriblyC．goodD．well[解析]A

taste是連系動(dòng)詞，后接形容詞作表語，排除B、D。根據(jù)否定詞not，可排除C。故選A?！镜淅?】—Wherewouldyouliketospendyourholiday?—Athome.I________goodwhenIstaywithmyfamily.A．smellB．feelC．tasteD．sound[答案]B2情態(tài)動(dòng)詞的分類及用法(1)表示“能，會(huì)”的情態(tài)動(dòng)詞：can,could,beabletocan只能現(xiàn)在和過去兩種時(shí)態(tài)；could表示過去的能力或表示語氣很委婉。beableto與can同義，但前者有不同的形式，可用于多種時(shí)態(tài)。(2)表示“可能性”的情態(tài)動(dòng)詞：can,could，may,might,mustmust表示可能性很大的推測；could,may,might表示不太肯定的推測，might的可能性??；can用來表示推測時(shí)，只能用于否定句和疑問句中，表示某事肯定不真實(shí)。如：Hemustbeathomenow.他現(xiàn)在必定在家。ShemightbefromGuilin,butI'mnotsure.她可能來自桂林，但我不確定。Hecan'tbeintheoffice,forthelightisout.他不可能在辦公室里，因?yàn)闊粝恕?3)表示“意愿”的情態(tài)動(dòng)詞：shall,will,wouldshall,will,would作情態(tài)動(dòng)詞時(shí)，多用于疑問句中。shall常用于第一人稱，表示提出或征求意見；will,would用于第二三人稱，表示請(qǐng)求或建議，would比will語氣更委婉。如：Willyousendthisletterforme,please?請(qǐng)你替我把這封信寄出去好嗎？Wouldyoulikeacupofcoffee?你想要一杯咖啡嗎？WhereshallImeetyou？我們將在哪里見面？(4)表示“責(zé)任，義務(wù)，需要”的情態(tài)動(dòng)詞：must,haveto,should,need①must,haveto都有“必須”之意，must多強(qiáng)調(diào)主觀原因，haveto強(qiáng)調(diào)客觀原因，表示“不得不”。mustn't表示“禁止”，尤其要注意的是“MustI…？”的否定答語為“No,youneedn't.”或“No,youdon'thaveto.”。②should表示義務(wù)、責(zé)任，意為“應(yīng)該”。③need作情態(tài)動(dòng)詞時(shí)，意為“需要”，常用于否定句、疑問句中。需要注意的是，“NeedI…？”的肯定回答為“Yes,youmust.”。如：—Mom,mustIfinishallthehomeworktoday？媽媽，今天我必須完成所有的作業(yè)嗎？—Yes,youmust.是的，你必須(今天完成)?！狽o,youneedn't/don'thaveto.不，你不必(今天完成)。【典例3】—Excuseme,wherearewegoingtohaveourclassmeeting?—I'mnotsure.Askourmonitor,please.He________know.A．canB．mayC．needD．shall[答案]B【典例4】Toeveryone'ssurprise,Tom________playchessverywellwhenhewasonlyfour.A．might

B．shouldC．would

D．could[解析]D句意：使大家吃驚的是，湯姆4歲的時(shí)候就會(huì)下國際象棋了。could為can的過去式，表示“能，會(huì)”。故選D。

┃考點(diǎn)過關(guān)┃(

)1.—Iforgottobringmydictionary.CouldIuseyours?—Yes,you________.A．canB．MustC．couldD．shouldAcould引導(dǎo)一般疑問句，表示委婉的請(qǐng)求，而對(duì)其進(jìn)行肯定回答時(shí)通常用can。故選A。(

)2.Mom,whatareyoucooking?It____sosweet.A．tastesB．FeelsC．soundsD．smells(

)3.You______driveyourcarsofast.It'sverydangerous.A．wouldn'tB．shouldn'tC．couldn'tD．mightn'tDB(

)4.—ShallwegoforapicnicintheparkthisSaturday?—Oh,that________good.A．feelsB．LooksC．tastesD．soundsD(

)5.—Susanhasboughtalargehousewithaswimmingpool.—It________beveryexpensive.Ineverevendreamaboutit.A．mustB．MightC．can'tD．shouldn'tA根據(jù)答語中“Ineverevendreamaboutit”可推斷這個(gè)房子“必定”是昂貴的。故選A。(

)6.—MayIgoswimmingalonethisafternoon,Dad?—No,you________.Itisdangerous.A．needn'tB．couldn'tC．can'tD．maynotC(

)7.—Istheoldmanwalkinginthehallwayourheadmaster?—It________behim.Hecomestoschooltoseeuseverymorning.A．can'tB．mustn'tC．needn'tD．mustD(

)8.Youhavealreadytriedyourbest,soyou________worryaboutit.A．can'tB．mustn'tC．needn'tD．couldn't

C根據(jù)“你已經(jīng)盡力了”可知，后半句的句意應(yīng)該是“你不需要為這件事?lián)摹?。needn't表示“不需要”。(

)9.—________Ismokehere?—I'msorry.Look!Thesignsayspeople________smokehere.A．Can;mustB．Must;mustn'tC．May;canD．Can;mustn't

D根據(jù)情境，第一空表示請(qǐng)求許可，可用may或can,第二空表示絕對(duì)禁止，用mustn't。故選D。(

)10.—Willyoupleasestayforlunch?—Sorry,I________.Mymotherwantsmebackhomenow.A．shouldn'tB．mustn't

C．can'tD．needn't

C根據(jù)答語中“我媽媽想讓我現(xiàn)在回去”可知，“我不能在這里吃午飯”。故選C。(

)1.2014·赤峰—Doyouhaveanyplansforthisweekend?—I'mnotsure.I________goclimbingMountTai.A．mustB．needC．mayD．haveto語法專練C根據(jù)答語中“I'mnotsure”可知，表示不太肯定的推測。故用may。(

)2.2014·安順—MustIdomyhomeworknow?—No,you________.Youmayhavearest.A．mustn'tB．needn'tC．can'tD．wouldn'tB對(duì)must引導(dǎo)的一般疑問句進(jìn)行否定回答時(shí)用needn't。(

)3.—________Ileaveallthebookshere?—Sorry,youcan't.Youhavetotakethembackhome.A．NeedB．MustC．MayD．ShouldC表示請(qǐng)求別人允許自己做某事用may。故選C。(

)4.—Ican'tgiveupsmoking,doctor.—Foryourhealth,I'mafraidyou________．A．mayB．canC．couldD．havetoD根據(jù)對(duì)話的語境可知，戒煙為客觀上必須要做的事，因此用haveto。故選D。(

)5.2014·荊州—Doyoulikeswimminginwinter?—Ofcourse.Thewater________abitcoldatfirst,butthenIamwarmandfullofenergy.A．feelsB．tastesC．smellsD．looksA(

)6.—Ihitatreeonthewaytomeetmyfriendattherailwaystation.—Iamsurethatyou________havebeendrivingtoofast.A．needB．should

C．willD．mustD根據(jù)對(duì)話的語境可判斷，此處用must表示肯定的推測，意為“我敢肯定你一定是開車速度太快了。”故選D。(

)7.—Andy,willyouanswerthetelephone?It________beyourfather.—Sorry,I________.I'mhavingashower.A．can;mustn'tB．will;can'tC．may;can'tD．need;willC由句意可判斷打電話的并不一定是Andy的父親，所以只是一種猜測；排除B、D；又因?yàn)椤拔摇闭谙丛瑁圆荒芙与娫?，用can't。故選C。(

)8.—Whatdidtheheadteachersayatthemeeting?—Hesaid,“We________beproudofworkinghard.Wemustn'tbelazy.”A．mustB．needn't

C．mayD．can'tA句意：我們一定要以努力學(xué)習(xí)為榮，一定不要懶惰。故選A。(

)9.—Whyisonlineshoppinggettingmoreandmorepopular?—Becauseit________savealotofmoneyandtimeifitisproperlyused.A．needB．shouldC．canD．hasto

C(

)10.—I'msorryIdidn'twintherace.—Itdoesn'tmatter.Youknow,you________wineverytime.A．can'tB．mustC．shouldD．mustn'tA(

)11.2014·撫州IlovethesongbythebandWildandWindy.It________nice.A．smellsB．tastesC．feelsD．soundsD(

)12.—CouldIborrowyourmobilephone?Iwanttocallthepolice.—Yes,ofcourseyou________.A．mustB．need

C．canD．willC當(dāng)could表示委婉請(qǐng)求時(shí)，不是can的過去式，用can來進(jìn)行肯定回答。故選C。(

)13.2014·宿遷—Yourtrainers________colorful.—Yes.Andtheyarepopularamongyoungpeople.A．feelB．smellC．tasteD．lookD句意：“你的運(yùn)動(dòng)鞋看起來色彩艷麗?！薄笆堑?，它們很受年輕人的歡迎。”根據(jù)句意可知選D。(

)14.—Iwanttobuysomebreadforsuppernow.—Oh,you________.There'sstillsomeinthefridge.A．maynotB．mustn'tC．can'tD．needn'tD根據(jù)答句中的“There'sstillsomeinthefridge.”可知，冰箱里還有面包，因此不需要買。故選D。(

)15.—Mary,________youspeakChinese?—Yes,onlyalittle.A．mustB．needC．shouldD．canD(

)16.—Willyoursistergotoseethisfilmthisevening?—I'mnotsure.She________.S