Unit+8+SectionAGrammar+focus-4c 人教版九年級(jí)英語(yǔ)全冊(cè)

Unit8ItmustbelongtoCarla.(Period3)SectionA(GrammarFocus-4c)Askandanswer.Whosebag/football/…isthis/arethese?Why?Itmust/could/might/can’tbe/belongto...because...laboratoryn.實(shí)驗(yàn)室outdoorsadv.在戶(hù)外；

在野外coatn.外套；外衣Canyousaythese?sleepyadj.困倦的；

瞌睡的Translatethesentences.1．這本書(shū)肯定是她的/屬于她。____________________________________________________2．這個(gè)發(fā)帶可能屬于Linda，它不可能是一個(gè)男生的。_____________________________________________________3．我想一定是有人撿到書(shū)包了。______________________________________________________Thebookmustbehers/belongtoher.ThehairbandmightbelongtoLinda.Itcan’tbeaboy’s.I

think

somebody

musthave

picked

uptheschoolbag.GrammarFocusWhosevolleyballisthis?ItmustbeCarla’s.Shelovesvolleyball.Whosehairbandisthis?ItcouldbeMei’shairband.OritmightbelongtoLinda.Theybothhavelonghair.Whatdidyouseethatnight?I’mnotsure,butitcan’tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.Role-playtheconversationswithyourpartner.—Whosevolleyballisthis?—ItmustbeCarla’s.Shelovesvolleyball.—Whosehairbandisthis?—ItcouldbeMei’shairband.OritmightbelongtoLinda.Theyboth

havelonghair.—Whatdidyouseethatnight?—I’mnotsure,butitcan’tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.Makeupandrole-playconversationswithyourpartner.Whosevolleyballisthis?A:ItmustbeCarla’s.Shelovesvolleyball.B:Itcan’tbeAnn’s.Sheneverplayssports.Itmight/couldbelongtoJack.Hesometimesplaysvolleyball....1．概述一般來(lái)說(shuō)，英語(yǔ)中可以用于表示推測(cè)或表達(dá)可能性的情態(tài)動(dòng)詞有can、could、may、might和must。情態(tài)動(dòng)詞表示推測(cè)的用法說(shuō)明示例must表示很大的可能性，一般

只用于肯定句，意為“肯定；

一定；必定”Youmustbetiredafterthelongjourney.長(zhǎng)途旅行之后，你一定累了。說(shuō)明示例might在表達(dá)可能性時(shí)語(yǔ)氣最弱。may在表示推測(cè)時(shí)，意為“可能；也許”Itmay/mightrainthisafternoon.今天下午可能下雨。Myunclemay/mightcomebackthisafternoon,butI’mnotsure.我叔叔今天下午可能回來(lái)，但我不確定。can,could常用于否定句，表示有把握的否定推測(cè)，意為“不可能”。couldn’t語(yǔ)氣較緩和，can’t語(yǔ)氣較強(qiáng)一些Itcouldn’tbeTombecauseIsawhimatschooljustnow.不可能是湯姆，因?yàn)閯偛盼以趯W(xué)校見(jiàn)到他了。1．概述情態(tài)動(dòng)詞表示推測(cè)的用法—Finally,theycameback.—They______behungryaftersuchalongwalk.A．can’tB．mustC．needn’tD．needB

典例點(diǎn)撥

可用語(yǔ)境分析法和語(yǔ)法判斷法解答本題。can’t表示否定的推測(cè)“不可能”；must表示肯定的推測(cè)“一定”；need用作情態(tài)動(dòng)詞時(shí)常用于否定句，needn’t“沒(méi)必要”

。根據(jù)語(yǔ)境可知選B項(xiàng)。情態(tài)動(dòng)詞表示推測(cè)的用法Whenyouaretravelling,bringamapbecauseit______helpyou.A．can’tB．mustn’tC．usedtoD.mayD

典例點(diǎn)撥

可用語(yǔ)境分析法解答本題。句意：當(dāng)你旅行的時(shí)候，帶一幅地圖，因?yàn)樗赡軙?huì)幫助你。can’t“不可能”；mustn’t“不準(zhǔn)，不許”；usedto“過(guò)去常?！保籱ay“可能”，表示推測(cè)。由語(yǔ)境可知選D項(xiàng)。情態(tài)動(dòng)詞表示推測(cè)的用法情態(tài)動(dòng)詞表示推測(cè)的用法(1)“情態(tài)動(dòng)詞+動(dòng)詞原形”表示對(duì)目前事情的推測(cè)。e.g.ThedictionarymustbeTom’s.

這本字典一定是湯姆的。(2)“情態(tài)動(dòng)詞+be+動(dòng)詞-ing形式”表示對(duì)正在發(fā)生的事情的

推測(cè)。e.g.Hemustbedoinghishomeworknow.

現(xiàn)在他一定是在做作業(yè)。2．用法He______inthelibrarynow.Imethimintheclassroomjustnow.A．can’treadB．can’tbereadingC．mightbereadingD．mightreadB

典例點(diǎn)撥可用語(yǔ)境分析法和語(yǔ)法判斷法解答本題。由空格所在句子的時(shí)間狀語(yǔ)now可知，

用“情態(tài)動(dòng)詞+be+動(dòng)詞-ing形式”表示對(duì)正在發(fā)生的事情進(jìn)行推測(cè)。由下一句可知表示否定推測(cè)，故選B。情態(tài)動(dòng)詞表示推測(cè)的用法情態(tài)動(dòng)詞表示推測(cè)的用法(3)“there+情態(tài)動(dòng)詞+be+主語(yǔ)+動(dòng)詞-ing形式”表示“可能/或

許/一定……做……”。e.g.Itisnoisy;theremightbesomedogsbarking.

太吵了，可能是有些狗在叫。2．用法must在表示肯定推測(cè)時(shí)，意為“一定”，但是用于否定句時(shí)，mustn’t卻表示“不能；禁止”，而不是“不一定”。注意1．A:Where’sJean?B:I’mnotsure.She______(is/mightbe/mustbe)inthelaboratory.2．A:Everyoneisgoingtothepoolafterschool.B:Really?It______(mustbe/can’tbe/couldbe)hotoutdoors.3．A:That’sthephone.B:Hmm.Iwonderwhoit______(mustbe/couldbe/shouldbe).4aChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.4aChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.4．A:IwonderiftheseareJim’sglasses.B:They______(can’tbe/mightbe/couldbe)his.Hedoesn’twearglasses.5．A:Ihearwaterrunninginthebathroom.B:It______(couldbe/mustbe/can’tbe)Carla.Shewasthinkingoftakingashower.Makemoreinferences.1．A:Where’sJean?B:_________________________________________________2．A:Everyoneisgoingtothepoolafterschool.B:_________________________________________________3．A:That’sthephone.B:_________________________________________________4．A:IwonderiftheseareJim’sglasses.B:_________________________________________________5．A:Ihearwaterrunninginthebathroom.B:_________________________________________________4bCompletetheseresponses.1．A:Manypeoplearewearingcoats.B:Theweathermustbe_________________________.2．A:Sallyhasbeencoughingalot.B:Shemightbe______________________.3．A:Thisrestaurantisalwaysverycrowded.B:Thefood__________________.4．A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t_______________.gettingcolder/coldoutsidehavingasorethroat/illmustbedeliciousbethatboringObservethepictureandanswer.Whatcanyouseeinthepicture?Whodoyouthinklivesinthisroom,aboyoragirl?Icanseeatable,abed,aguitar...Whatarehis/herhobbies?Whydoyouthinkso?Itmightbeaboybecause...Hemustlikeplayingtheguitarbecause...A:Itcouldbeagirl’sroombecauseit’sverytidy.B:Iguessso.Butitmightbeaboy’sroombecausetheclotheslooklikeboys’clothes.Lookatthispictureofaroom.Discussyourideasingroupsandchoosethebestideas.sleepy形容詞，意為“困倦的；瞌睡的”，可用作表語(yǔ)或定語(yǔ)。WheneverItrytoreadthisbook,Ifeelsleepy.我無(wú)論何時(shí)試圖讀這本書(shū)，都感到困倦。e.g.Aftertakingthemedicine,shefeltsleepy.

服了藥之后，她感到困倦。Lookatthatsleepychild.

看那個(gè)瞌睡的孩子。WheneverItrytoreadthisbook,Ifeelsleepy.我無(wú)論何時(shí)試圖讀這本書(shū)，都感到困倦。sleepy形容詞，意為“困倦的；瞌睡的”，在句中既可作定語(yǔ)，又可作表語(yǔ)sleep既可作動(dòng)詞，又可作名詞，意為“睡覺(jué)；睡眠”asleep形容詞，意為“睡著的；在睡覺(jué)的”，在句中只能作表語(yǔ)，beasleep意為“睡著的”；fallasleep意為“入睡”sleepy、sleep與asleep辨析WheneverItrytoreadthisbook,Ifeelsleepy.我無(wú)論何時(shí)試圖讀這本書(shū)，都感到困倦。e.g.Helookssleepy.他看起來(lái)很困倦。Ididn’thaveagoodsleeplastnight./Ididn’