仁愛版八年級上Unit2Topic2SectionB課件精編版

Eatingtoomuchcandyisbadforourhealth.EatingtoomuchcandyisbadfUnit2KeepingHealthyTopic2Imustaskhimtogiveupsmoking.SectionBUnit2KeepingHealthyTopic2Let’slearnthenewwords:articlesmokeevencancernecessaryactiveenergy/`ɑ:tikl/

n.文章，物品/sm?uk/

v.&n.吸煙，煙/`i:vn/

adv.甚至，即使/`k?ns?/

n.癌，癌癥/`nes?s?ri/

adj.必要的，必需的/`?ktiv/adj.活躍的，積極的/`en?d?i/n.精力活力Let’slearnthenewwords:artiVocabulary英漢互譯下列單詞并標(biāo)上詞性。1.article_________________()2.smoke___________()_____()3.litter____________()_______()4.enough_____________()_____()5.癌___________()6.垃圾箱_______________()7.能量；精力_________()8.必需的，必要的___________()文章；物品；冠詞n.吸煙；冒煙v.煙n.廢棄物；垃圾n.亂丟雜物v.足夠的；充分的adj.足夠adv.cancern.dustbinn.energyn.necessaryadj.Vocabulary英漢互譯下列單詞并標(biāo)上詞性。1.arti

根據(jù)所給中文完成句子.

1.Hecoughsandheoften_________（抽煙）？

2.Smokingtoomuchcan_______________(導(dǎo)致癌癥).3.Itis__________（必要的）tolearnEnglish.4.Ithinksportscan_______________（讓我保持活力）.smokescausecancernecessarykeepmeactive

根據(jù)所給中文完成句子.

1.HecoughsandReadthepairsofwordsandpayattentiontothedifferenceamong/?

/,/a:/and/?/.Thenthinkofmorewordsforeachgroup./Λ/--/a:/fun---farmcut---cardcome---calm錄音3a-P383a/Λ/--/?/fund---fondduck---dockluck---lockReadthepairsofwordsandpaListenagainandrepeat,payingattentiontotheliaison.Washyourhands,haveabath.Openthewindow,takeafreshbreath.Earlytobed,earlytorise.Havinggoodhabits,makesamanhealthy,Wealthyandwise.LiaisonmakesourEnglishsoundssmooth,andonetypeofitistolinkconsonantwithvowel.3b錄音3b-P38Listenagainandrepeat,payinWritedownthegoodhabits.washhandshaveabathopenthewindowearlytoriseWritedownthegoodhabits.wListenagainandrepeat,payingattentiontotheliaison.Washyourhands,haveabath.Openthewindow,takeafreshbreath.Earlytobed,earlytorise.Havinggoodhabits,makesamanhealthy,Wealthyandwise.LiaisonmakesourEnglishsoundssmooth,andonetypeofitistolinkconsonantwithvowel.錄音3b-P383bListenagainandrepeat,payin2aLookatthepicturesandchoosethecorrectsentencetocompleteeachdescription.Breakfastgivesyouenergyforthemorning._________________________________________________________________________________It’snecessaryforyourhealth.

a.Goingtoschoolwithoutbreakfastisbadforyourhealth.c.Walkingisgoodexercise.2aLookatthepicturesandcho2aLookatthepicturesandchoosethecorrectsentencetocompleteeachdescription.Waterisgoodforyourhealth._______________________________________________________________________________Itwillkeepyouactiveduringtheday.d.Drinkenoughwatereveryday.b.Gotobedearlyandgetupearly.2aLookatthepicturesandchoDrinkingenoughwatereveryday.Waterisgoodforyourhealth.enough足夠的/地，充分的/地adjadvenough+n足夠的什么東西adj+enough足夠怎么樣他足夠大去上學(xué)。Heisoldenoughtogotoschool.（enough作形容詞）（enough作副詞）如果你起床夠早，你將能趕上公交車。Ifyougetupearlyenough,you’llcatchthebus.DrinkingenoughwatereverydaHaveatry：Itiscoldenough/enoughcoldtoputonthecoat.Heisenoughold/oldenoughtogotoschool.Haveatry：Itiscoldenough/2bRead2aandmarkH(Healthy)orU(Unhealthy).LiHuaoftengoestoschoolwithoutbreakfast.()ZhangMingusuallytakesawalkafterthemeal.()WangPenggetsupat10o’clockonweekends.()HuFeialwaysstudieslateinthenight.()Mr.Smithdrinksenoughwatereveryday.()UHUUH2bRead2aandmarkH(Healthy)smokeWhat’shedoing？

Heis

.Whatdoyouthinkofsmoking？smokingSmokingisbadforourhealth.It’scooltosmoke.Issmokinggoodorbadforourhealth?It’sbadforourhealth.smokeWhat’shedoing？WhatdoySmokingisbadforourlungs.Itcanevencausecancer.Smokingisbadforourlungs.Soeveryoneshouldgiveupsmoking.放棄Soeveryoneshouldgiveupsmo①WhatisWangJunfengdoing?

②WhydoesMaria’sfatherlikesmoking？

③WhydoesMariawanttoaskherfathertogiveupsmoking？

readinganarticleaboutsmokinginthenewspaper.

thinkssmokingcanhelphimrelax.Becausesmokingisbadforourlungsanditevenmaycausecancer.1bListento1aandanswerthefollowingquestions.錄音1a-P37Heis_____________________________________________Becausehe________________________readinganarticlMaria:Hi,WangJunfeng!Whatareyoureading?You'dbetternotreadinthesun.It’sbadforyoureyes.WangJunfeng:Oh,thankyou.I'mreadinganarticleabout

smokinginthenewspaper.Doesyourfathersmoke,Maria?Maria:Yes,hethinkssmokingcanhelphimrelax.WangJunfeng:But,youknow,smokingisbadforhishealth.Maria:Yes,histeethareyellowandheoftencoughs.WangJunfeng:That'stoobad.Look,thearticlesayssmokingisbadforourlungsanditcaneven

cause

cancer.Maria:Oh!Howterrible!

Imust

askhimtogiveup

smoking.MayIborrowyournewspaperand

showittomyfather.WangJunfeng:Sure.Maria:Hi,WangFindoutthefollowingphrasesandtranslate:hadbetter(not)doasksb.todogiveupdoingsth.borrowsb.sth.showsth.tosb./showsb.sth.

最好(不要)做要求某人做某事放棄做某事借用某人某物向某人展示某物Findoutthefollowingphrases1cFillintheblanks.

WangJunfengisreadingan______about

smoking

inthenewspaper.Maria’sfather________becausehethinkssmokingcanhelphim________.Butthearticlesayssmokingis_______forourlungsanditcaneven_____cancer.Maria’sgoingtoaskherfatherto___________smoking.articlesmokesrelaxcause

giveupbad1cFillintheblanks.WanSmokingisbadforhishealth.Smokingisbadforourlungs.Keypoints動(dòng)名詞做主語,謂語動(dòng)詞要做第三人稱單數(shù)。eg:喝水有益于我們的健康。_________water

___goodforourhealth.DrinkingisSmokingisbadforhishealth.KeypointsImustaskhimto

giveupsmoking.Eg:老師常常告訴我們課堂上要認(rèn)真聽。

Theteacheroften_______________carefullyinclass.giveupsth./doingsth.放棄某事/做某事Eg:我不會(huì)放棄學(xué)習(xí)英語。

Iwon’t_______________English.

asksb.(not)todosth.

叫某人(不要)做某事asksustolistengiveuplearningKeypointsImustaskhimtoKeypointsImustaskhimto

giveupsmoking.asksb.todosth.叫某人做某事Eg:我媽媽叫我晚上不要外出。

Mymotherasksmenottogooutatnight.giveupsth./doingsth.放棄某事/做某事Eg:我不會(huì)放棄我的計(jì)劃。

Iwon’tgiveupmyplan.asksb.nottodosth.叫某人不要做某事KeypointsImustaskhimtoggiveup放棄我永遠(yuǎn)不會(huì)放棄。Iwillnevergiveup.我永遠(yuǎn)不會(huì)放棄我的夢想。Iwillnevergiveupmydream.停止做某事放棄某物，放棄什么東西Imustaskhimtogiveupsmoking.放棄做某事Yourjobisverygood.Whydidyougiveitup?stopdoingsthgiveupsth=Imustaskhimtostopsmoking.giveupsinging放棄唱歌不要放棄Don’tgiveup.放棄你的工作giveupyourwork/job你的工作很好，你為什么放棄了它呢？giveupdoingsthgiveup放棄我永遠(yuǎn)不會(huì)放棄。Iwillnever(一)、must的個(gè)性：must擁有情態(tài)動(dòng)詞家族的共性：無人稱和數(shù)的變化，也無時(shí)態(tài)變化。作謂語時(shí)一律用“must+動(dòng)詞原形”結(jié)構(gòu)。你知道m(xù)ust的用法么？(一)、must的個(gè)性：你知道m(xù)ust的用法么？(二)、must的本領(lǐng)：（1）must表示說話人的主觀看法或愿望，認(rèn)為“必須”做某事。例如：I____________hard.我必須努力學(xué)習(xí)。（2）表示要求某人必須做某事時(shí)，主語用其它人稱。例如：Youmustwaitinline.你必須排隊(duì)等候。你知道m(xù)ust的用法么？muststudy(二)、must的本領(lǐng)：你知道m(xù)ust的用法么？mus

（3）在肯定句中，must可以表推測，語氣要比may肯定得多。must表示對某事把握很大的推測，只能用于肯定句，意為“想必；準(zhǔn)是；很可能”；mustbe表示“一定是，一定在”。當(dāng)情態(tài)動(dòng)詞may與be連用，表示推測“或許是，或許在”。在否定句型表示推測的含義時(shí)不用mustn't(禁止，不允許)而用can't（不可能）。例如：She____________ournewChineseteacher.她一定是我們的新的語文老師。Thedoorisclosed.He__________athome.門關(guān)著，他一定不在家。你知道m(xù)ust的用法么？mustbecan'tbe（3）在肯定句中，must可以表推測，語氣要比may肯(三)、must的變臉：（1）must的否定式是在must后面加上not，?？s寫成mustn't，意思是“決不可；千萬不能；務(wù)必不要；禁止”。在對MayI...?作否定回答時(shí)用No，youmustn't/can't。例如：You_________tellherthisnews.你絕不能（千萬不要）告訴她這消息。You______________smokehere.你絕不能在這兒抽煙。（2）must的疑問式是將must提在主語前。must用在問句中作“必須”解時(shí)，要注意肯定與否定回答時(shí)的用語。其肯定簡略答語是Yes，主語+must。若是否定回答，則是No，主語+needn't或don'thaveto。例如：—MustIfinishmyhomeworktoday?今天我必須完成我的作業(yè)嗎？—No，you_________/Yes，you______.不必。/對，你必須完成。你知道m(xù)ust的用法么？mustn'tmustnotneedn'tmust(三)、must的變臉：你知道m(xù)ust的用法么？muMaria:What…reading?…readinthesun.WangJunfeng:…anarticleaboutsmokinginthenewspaper.Does…smoke…?Maria:Yes…smoking…h(huán)elp…relax.WangJunfeng:…smoking…badfor…Maria:…teeth…yellowand…coughs.WangJunfeng:…toobad…thearticlesayssmoking…ourlungs…

causecancer.Maria:…How…!I…ask…

giveupsmoking.MayIborrow…show…father?WangJunfeng:Sure.Retell1aMaria:What…rWehope

to

keephealthy

……HealthyTreedrinkenoughwaterhavebreakfasttakeawalkaftermealsDon’tgetuplate.domorningexercisesDon’tkeepfingernailslong.Don’tthrowlitteraround.Wehope

to

keephealthy

……Hea1.Finishtheexercisesonthepaper.2.Recite1a.3.Makesomesentencestogivesuggestionsaboutkeepinghealthy.Homework1.Finishtheexercisesonthe堂上小測

()1.Children

playsoccerinthestreets.It’snotsafe.A.maynotB.willC.needn’tD.mustnot()2.MayI

?A.showmyfatheritB.showitmyfatherC.showmyfathertoitD.showittomyfather()3.---Jane,Ithinkwecan’tfinishthework.---Don’tworry.Wehave

timetodoit.A.enoughB.few.C.littleD.manyDDA堂上小測()1.Childrenp()4.Mypenisbroken.Ihaveto____one______Mike.A.borrow;toB.borrow;fromC.lend;fromD.lend;to()5.Breakfastgivesyouenergy

themorning.A.onB.inC.forD.of()6.Imustaskhim

.A.togivesmokingupB.givesupC.togiveupsmokingD.togiveupBCC()4.Mypenisbroken.I課后練習(xí)

（1）用適當(dāng)?shù)慕樵~填空。

1.Youshouldnotread_____thesun.It’sbad_____youreyes.2.Fishcan’tlive___________water.3.He’swritinganarticle________howtolearnErwithoutabout課后練習(xí)

（1）用適當(dāng)?shù)慕樵~填空。

1.Youshould

（2）完成句子。

1.每天喝足夠的水有利于我們的健康。Drinking_____________everyday_______________ourhealth.2.早睡早起能夠幫助我們在白天保持活力。Goingtobedearlyand_________________canhelpus__________duringtheday.enoughwaterbadforisgettingupearlykeepactive

（2）完成句子。

1.每天喝足夠的水有利于我們的健康。e3.好的飲食習(xí)慣對每個(gè)人都是必要的。_________________everyone________________goodeatinghabits.4.玩電腦游戲?qū)δ愕膶W(xué)習(xí)不利，你必須戒掉。Playingcomputergamesisbadfor____________.Youmust___________.It’snecessaryfortohaveyourstudygiveitup3.好的飲食習(xí)慣對每個(gè)人都是必要的。It’snecessTeachingaims：Mastertheuseofthesephrases:hadbetter(not)do,giveupsmoking,asksb.(not)todosth,takeawalk,studylate,gotoschoolwithoutbreakfast,drinkenoughwaterTeachingaims：Mastertheuseo1．讓某人做某事_______________2．戒煙_______________3．把某物出示給某人看_______________/_______________4．將垃圾丟入垃圾箱____________________________5．到處扔垃圾__________________6．對……必要________________7．保持活力_________________8．在一天中_______________/_______________9．給某人某物_____________/_______________letsb.dosth....givesb.sth.giveupsmokingshowsb.sth.Reviewput/throwlitterintothedustbinthrowlitteraroundbenecessaryforkeepsb.activeduringthedayinthedaygivesth.tosb.showsth.tosb.1．讓某人做某事_______________le翻譯并熟記下列句子1.他認(rèn)為吸煙可以放松自己。______________________________________2.禁止踐踏草坪。______________________________________3.散步是項(xiàng)好運(yùn)動(dòng)，它對你的健康必不可少。__________________________________________________________4.不吃早餐上學(xué)對你的健康有害。____________________________________________________________________5.多么可怕??！我一定要讓他戒煙。___________________________________Walkingisgoodexercise.It'snecessaryforyourhealth.Hethinkssmokingcanhelphimrelax.Don’twalkonthelawn/grass.Goingtoschoolwithoutbreakfastisbadforyourhealth.Howterrible!Imustaskhimtogiveupsmoking.翻譯并熟記下列句子1.他認(rèn)為吸煙可以放松自己。______1.Eatingfruitkeepsush__________.2.Walkingisn__________forgoodhealth.3.Youmustn’tt_______litteraround.You’dbetterkeepenvironmentcleanandtidy.4.Heisverypoor,hehasnote__________foodtoeat.5.Chocolategivesyoue___________.Buteatingtoomuchisbadforyourteeth.6.Hewroteana___________aboutWangXiaoya.Exerciseealthyecessaryhrowoughnergyrticle1.Eatingfruitkeepsush____Eatingtoomuchcandyisbadforourhealth.EatingtoomuchcandyisbadfUnit2KeepingHealthyTopic2Imustaskhimtogiveupsmoking.SectionBUnit2KeepingHealthyTopic2Let’slearnthenewwords:articlesmokeevencancernecessaryactiveenergy/`ɑ:tikl/

n.文章，物品/sm?uk/

v.&n.吸煙，煙/`i:vn/

adv.甚至，即使/`k?ns?/

n.癌，癌癥/`nes?s?ri/

adj.必要的，必需的/`?ktiv/adj.活躍的，積極的/`en?d?i/n.精力活力Let’slearnthenewwords:artiVocabulary英漢互譯下列單詞并標(biāo)上詞性。1.article_________________()2.smoke___________()_____()3.litter____________()_______()4.enough_____________()_____()5.癌___________()6.垃圾箱_______________()7.能量；精力_________()8.必需的，必要的___________()文章；物品；冠詞n.吸煙；冒煙v.煙n.廢棄物；垃圾n.亂丟雜物v.足夠的；充分的adj.足夠adv.cancern.dustbinn.energyn.necessaryadj.Vocabulary英漢互譯下列單詞并標(biāo)上詞性。1.arti

根據(jù)所給中文完成句子.

1.Hecoughsandheoften_________（抽煙）？

2.Smokingtoomuchcan_______________(導(dǎo)致癌癥).3.Itis__________（必要的）tolearnEnglish.4.Ithinksportscan_______________（讓我保持活力）.smokescausecancernecessarykeepmeactive

根據(jù)所給中文完成句子.

1.HecoughsandReadthepairsofwordsandpayattentiontothedifferenceamong/?

/,/a:/and/?/.Thenthinkofmorewordsforeachgroup./Λ/--/a:/fun---farmcut---cardcome---calm錄音3a-P383a/Λ/--/?/fund---fondduck---dockluck---lockReadthepairsofwordsandpaListenagainandrepeat,payingattentiontotheliaison.Washyourhands,haveabath.Openthewindow,takeafreshbreath.Earlytobed,earlytorise.Havinggoodhabits,makesamanhealthy,Wealthyandwise.LiaisonmakesourEnglishsoundssmooth,andonetypeofitistolinkconsonantwithvowel.3b錄音3b-P38Listenagainandrepeat,payinWritedownthegoodhabits.washhandshaveabathopenthewindowearlytoriseWritedownthegoodhabits.wListenagainandrepeat,payingattentiontotheliaison.Washyourhands,haveabath.Openthewindow,takeafreshbreath.Earlytobed,earlytorise.Havinggoodhabits,makesamanhealthy,Wealthyandwise.LiaisonmakesourEnglishsoundssmooth,andonetypeofitistolinkconsonantwithvowel.錄音3b-P383bListenagainandrepeat,payin2aLookatthepicturesandchoosethecorrectsentencetocompleteeachdescription.Breakfastgivesyouenergyforthemorning._________________________________________________________________________________It’snecessaryforyourhealth.

a.Goingtoschoolwithoutbreakfastisbadforyourhealth.c.Walkingisgoodexercise.2aLookatthepicturesandcho2aLookatthepicturesandchoosethecorrectsentencetocompleteeachdescription.Waterisgoodforyourhealth._______________________________________________________________________________Itwillkeepyouactiveduringtheday.d.Drinkenoughwatereveryday.b.Gotobedearlyandgetupearly.2aLookatthepicturesandchoDrinkingenoughwatereveryday.Waterisgoodforyourhealth.enough足夠的/地，充分的/地adjadvenough+n足夠的什么東西adj+enough足夠怎么樣他足夠大去上學(xué)。Heisoldenoughtogotoschool.（enough作形容詞）（enough作副詞）如果你起床夠早，你將能趕上公交車。Ifyougetupearlyenough,you’llcatchthebus.DrinkingenoughwatereverydaHaveatry：Itiscoldenough/enoughcoldtoputonthecoat.Heisenoughold/oldenoughtogotoschool.Haveatry：Itiscoldenough/2bRead2aandmarkH(Healthy)orU(Unhealthy).LiHuaoftengoestoschoolwithoutbreakfast.()ZhangMingusuallytakesawalkafterthemeal.()WangPenggetsupat10o’clockonweekends.()HuFeialwaysstudieslateinthenight.()Mr.Smithdrinksenoughwatereveryday.()UHUUH2bRead2aandmarkH(Healthy)smokeWhat’shedoing？

Heis

.Whatdoyouthinkofsmoking？smokingSmokingisbadforourhealth.It’scooltosmoke.Issmokinggoodorbadforourhealth?It’sbadforourhealth.smokeWhat’shedoing？WhatdoySmokingisbadforourlungs.Itcanevencausecancer.Smokingisbadforourlungs.Soeveryoneshouldgiveupsmoking.放棄Soeveryoneshouldgiveupsmo①WhatisWangJunfengdoing?

②WhydoesMaria’sfatherlikesmoking？

③WhydoesMariawanttoaskherfathertogiveupsmoking？

readinganarticleaboutsmokinginthenewspaper.

thinkssmokingcanhelphimrelax.Becausesmokingisbadforourlungsanditevenmaycausecancer.1bListento1aandanswerthefollowingquestions.錄音1a-P37Heis_____________________________________________Becausehe________________________readinganarticlMaria:Hi,WangJunfeng!Whatareyoureading?You'dbetternotreadinthesun.It’sbadforyoureyes.WangJunfeng:Oh,thankyou.I'mreadinganarticleabout

smokinginthenewspaper.Doesyourfathersmoke,Maria?Maria:Yes,hethinkssmokingcanhelphimrelax.WangJunfeng:But,youknow,smokingisbadforhishealth.Maria:Yes,histeethareyellowandheoftencoughs.WangJunfeng:That'stoobad.Look,thearticlesayssmokingisbadforourlungsanditcaneven

cause

cancer.Maria:Oh!Howterrible!

Imust

askhimtogiveup

smoking.MayIborrowyournewspaperand

showittomyfather.WangJunfeng:Sure.Maria:Hi,WangFindoutthefollowingphrasesandtranslate:hadbetter(not)doasksb.todogiveupdoingsth.borrowsb.sth.showsth.tosb./showsb.sth.

最好(不要)做要求某人做某事放棄做某事借用某人某物向某人展示某物Findoutthefollowingphrases1cFillintheblanks.

WangJunfengisreadingan______about

smoking

inthenewspaper.Maria’sfather________becausehethinkssmokingcanhelphim________.Butthearticlesayssmokingis_______forourlungsanditcaneven_____cancer.Maria’sgoingtoaskherfatherto___________smoking.articlesmokesrelaxcause

giveupbad1cFillintheblanks.WanSmokingisbadforhishealth.Smokingisbadforourlungs.Keypoints動(dòng)名詞做主語,謂語動(dòng)詞要做第三人稱單數(shù)。eg:喝水有益于我們的健康。_________water

___goodforourhealth.DrinkingisSmokingisbadforhishealth.KeypointsImustaskhimto

giveupsmoking.Eg:老師常常告訴我們課堂上要認(rèn)真聽。

Theteacheroften_______________carefullyinclass.giveupsth./doingsth.放棄某事/做某事Eg:我不會(huì)放棄學(xué)習(xí)英語。

Iwon’t_______________English.

asksb.(not)todosth.

叫某人(不要)做某事asksustolistengiveuplearningKeypointsImustaskhimtoKeypointsImustaskhimto

giveupsmoking.asksb.todosth.叫某人做某事Eg:我媽媽叫我晚上不要外出。

Mymotherasksmenottogooutatnight.giveupsth./doingsth.放棄某事/做某事Eg:我不會(huì)放棄我的計(jì)劃。

Iwon’tgiveupmyplan.asksb.nottodosth.叫某人不要做某事KeypointsImustaskhimtoggiveup放棄我永遠(yuǎn)不會(huì)放棄。Iwillnevergiveup.我永遠(yuǎn)不會(huì)放棄我的夢想。Iwillnevergiveupmydream.停止做某事放棄某物，放棄什么東西Imustaskhimtogiveupsmoking.放棄做某事Yourjobisverygood.Whydidyougiveitup?stopdoingsthgiveupsth=Imustaskhimtostopsmoking.giveupsinging放棄唱歌不要放棄Don’tgiveup.放棄你的工作giveupyourwork/job你的工作很好，你為什么放棄了它呢？giveupdoingsthgiveup放棄我永遠(yuǎn)不會(huì)放棄。Iwillnever(一)、must的個(gè)性：must擁有情態(tài)動(dòng)詞家族的共性：無人稱和數(shù)的變化，也無時(shí)態(tài)變化。作謂語時(shí)一律用“must+動(dòng)詞原形”結(jié)構(gòu)。你知道m(xù)ust的用法么？(一)、must的個(gè)性：你知道m(xù)ust的用法么？(二)、must的本領(lǐng)：（1）must表示說話人的主觀看法或愿望，認(rèn)為“必須”做某事。例如：I____________hard.我必須努力學(xué)習(xí)。（2）表示要求某人必須做某事時(shí)，主語用其它人稱。例如：Youmustwaitinline.你必須排隊(duì)等候。你知道m(xù)ust的用法么？muststudy(二)、must的本領(lǐng)：你知道m(xù)ust的用法么？mus

（3）在肯定句中，must可以表推測，語氣要比may肯定得多。must表示對某事把握很大的推測，只能用于肯定句，意為“想必；準(zhǔn)是；很可能”；mustbe表示“一定是，一定在”。當(dāng)情態(tài)動(dòng)詞may與be連用，表示推測“或許是，或許在”。在否定句型表示推測的含義時(shí)不用mustn't(禁止，不允許)而用can't（不可能）。例如：She____________ournewChineseteacher.她一定是我們的新的語文老師。Thedoorisclosed.He__________athome.門關(guān)著，他一定不在家。你知道m(xù)ust的用法么？mustbecan'tbe（3）在肯定句中，must可以表推測，語氣要比may肯(三)、must的變臉：（1）must的否定式是在must后面加上not，?？s寫成mustn't，意思是“決不可；千萬不能；務(wù)必不要；禁止”。在對MayI...?作否定回答時(shí)用No，youmustn't/can't。例如：You_________tellherthisnews.你絕不能（千萬不要）告訴她這消息。You______________smokehere.你絕不能在這兒抽煙。（2）must的疑問式是將must提在主語前。must用在問句中作“必須”解時(shí)，要注意肯定與否定回答時(shí)的用語。其肯定簡略答語是Yes，主語+must。若是否定回答，則是No，主語+needn't或don'thaveto。例如：—MustIfinishmyhomeworktoday?今天我必須完成我的作業(yè)嗎？—No，you_________/Yes，you______.不必。/對，你必須完成。你知道m(xù)ust的用法么？mustn'tmustnotneedn'tmust(三)、must的變臉：你知道m(xù)ust的用法么？muMaria:What…reading?…readinthesun.WangJunfeng:…anarticleaboutsmokinginthenewspaper.Does…smoke…?Maria:Yes…smoking…h(huán)elp…relax.WangJunfeng:…smoking…badfor…Maria:…teeth…yellowand…coughs.WangJunfeng:…toobad…thearticlesayssmoking…ourlungs…

causecancer.Maria:…How…!I…ask…

giveupsmoking.MayIborrow…show…father?WangJunfeng:Sure.Retell1aMaria:What…rWehope

to

keephealthy

……HealthyTreedrinkenoughwaterhavebreakfasttakeawalkaftermealsDon’tgetuplate.domorningexercisesDon’tkeepfingernailslong.Don’tthrowlitteraround.Wehope

to

keephealthy

……Hea1.Finishtheexercisesonthepaper.2.Recite1a.3.Makesomesentencestogivesuggestionsaboutkeepinghealthy.Homework1.Finishtheexercisesonthe堂上小測

()1.Children

playsoccerinthestreets.It’snotsafe.A.maynotB.willC.needn’tD.mustnot()2.MayI

?A.showmyfatheritB.showitmyfatherC.showmyfathertoitD.showittomyfather()3.---Jane,Ithinkwecan’tfinishthework.---Don’tworry.Wehave

timetodoit.A.enoughB.few.C.littleD.manyDDA堂上小測()1.Childrenp()4.Mypenisbroken.Ihaveto____one______Mike.A.borrow;toB.borrow;fromC.lend;fromD.lend;to()5.Breakfastgivesyouenergy

themorning.A.onB.inC.forD.of(