外研版英語初二情態(tài)動詞.doc

情態(tài)動詞（1） 表可能性情態(tài)動詞：may、might.英語中除了情態(tài)動詞表可能性，還可以用adj或adv: probably， possible.may (可能): 暗含不確定的意思。might:表可能，但它的含義比 may 更不確定。He may be at home .He might come soon .It will probably be hot and sunny.（2） Must表示主觀義務(wù)和需要。Mustnt表示禁止 Need也表示需要，但不一定是一種義務(wù)，語氣沒那么強(qiáng)烈。（1）need用作實義動詞need to do sth 需要做某事肯定句：He needs to go shopping .他需要去購物。否定句：He doesnt need to go shopping . （實意動詞否定都借助助動詞do/does）疑問句：Does he need to go shopping? Yes, he does. No, he doesnt.（2）need用作情態(tài)動詞need do sth 需要做某事肯定句：He need go shopping .他需要去購物。否定句：He neednt go shopping （情態(tài)動詞否定都直接在后面加not）疑問句：Need he go shopping? Yes, he must No he neednt（3）must“必須，得，要”；肯定：You must go to school on time.你必須按時到校否定：You neednt go to school on time.你不必按時到校。疑問：Must I go to school on time? Yes, you must No, you neednt（4） have to 與must的區(qū)別（5） must側(cè)重于說話者的主觀看法，認(rèn)為有必要或有義務(wù)have to側(cè)重于客觀需要，含有“不得不，被迫”之意。e.g. All passengers must wear seat belts. 所有乘客都要系安全帶。 My bike was broken yesterday, so I had to walk to school. 昨天我的自行車壞了，所以我只能走路去學(xué)校。（3） 情態(tài)動詞表示推測的用法:表示肯定推測時，語氣由強(qiáng)到弱：Must be > Can be > Could be > May be > Might be注意在推測的過程中，如果句子中已經(jīng)有動詞的話，省略be。所有的否定推測均用cant be情態(tài)動詞練習(xí)題( )1.John_cometoseeustonight,butheisntverysureyet.A.mayB.canC.hastoD.must()2.They_dowellintheexam.A.canbeabletoB.beableto C.canableto D.areableto()3.-MayItakethisbookout?-No,you_.A.cantB.maynotC.needntD.arent( )4.You_goandseeadoctoratoncebecauseyouregotafever.A.canB.mustC.dareD.would()5.-CanyouspeakJapanese?-No,I_.A.mustntB.cantC.needntD.maynot()6.-He_beintheclassroom,Ithink.-No,he_beintheclassroom.Isawhimgohomeaminuteago.A.can;maynotB.must;maynotC.may;cantD.may;mustnt( )7.Eventhetopstudentsinourclasscantworkoutthisproblem,soit_beverydifficult.A.mayB.mustC.canD.need( )8.Heisntatschool.Ithinkhe_beill.A.canB.willC.mustD.hasto( )9._Itakethisone?A.MayB.WillC.AreD.Do( )10.Thechildren_playfootballontheroad.A.cantB.canC.mustntD.must( )11.You_belateforschoolagainnexttime.A.mustntB.needntC.donthavetoD.dontneedto( )12.-MustIdomyhomeworkatonce? -No,you_.A.neednt B.mustnt C.cant D.maynot( )13.Hisarmisallright.He_goandseethedoctor.A.hasnotto B.donthaveto C.haventto D.doesnthaveto( )14.Hehadtogiveuptheplan,_he?A.did B.didnt C.does D.doesnt( )15.MustIreturnthehooktomorrowmorning?No,you_.Youcankeepitlonger.A.mustnt B.cant C.neednt D.couldnt( )16.HowlongmayIkeepthebook?You_keepitfortwoweeks.A.may B.must C.will( )17.Susan,wouldyouliketogohikingwithusthisafternoon?Idloveto,butI studyforatest.A.mayB.haveto C.can( )18.-MayIgooutnow,Dad?-No.You_letyourmotherknowfirst.A.can B.may C.need D.must( )19.-CanIskateonthelakenow?-No,you_.Itsdangerous.A.cant B.mustnt C.neednt D.wont( )20. -Peterdoesntmindlendingyouhiscamera.He_.Ivealreadyborrowedone.A.neednt B.cant C.mustnt D.shouldnt( )21.Goodmorning.IvegotanappointmentwithMsKinginheroffice.Morning.You_beMr.Jones.Thisway,please.A.will B.must C.can D,might( )22.-Dad,thebreadisnotenough.Iamstillhungry._Ihavesomethingmore?-Buttheresnothinginthefridgenow.A.Must B.Need C.Will D.Can( )23.Wheresmymusicdisc?Icantseeit!Youdbetter_thedisccarefullyinyourbedroom.A.lookup B.lookthrough C.lookfor( )24.-Dowehavetogotoschoolthisafternoon?-Yes,you_.A.must B.can C.need( )25.Congratulations!YouvegotthefirstprizeintheEnglishContest._itbetrue?Itsunbelievable!A.May B.Should C.Must D.Can( )26.-Maywegohomenow?-No,you_.You_togohomeuntil5oclock.A.mustnt;areallowedB.donthaveto;aresupposedC.neednt;arentallowedD.cant;arentsupposedM101.在美國的的天氣怎么樣？Whats the weather _ in America?2.多雨的天氣 _（rain） weather3.刮風(fēng)的天氣 _ (wind)weather4.你在開玩笑么？ Are you _(joke)?5.零下2度 minus 2 _6.在公園里滑冰 go _(skate) in the park7.拍些秋樹的照片 take photos_the autumn trees8.一把雨傘 _ umbrella9.最好夏天去_better_(go) in summer10.泳衣 _ clothes11.一件溫暖的毛衣 bring a warm sweater _ you12.與.相比較 _13.不時 from _ to _ 14.與.相似 be _ to 15.在暑假期間 _ the summer holiday16.在周末 _ weekend17.天將要刮風(fēng)了。 It will _ windy.18.為.支付 pay _ sthM101.Its often _(snow) in January in the north of China.2.The best time _(visit) the city is in spring.3.Dont forget _(say) hello to your teacher.4.It was _(probable) the most popular of her songs.5._ bad weather ! Its raining.6.It often _(rain) here in summer.