WaystokeephealthyYoushould/must

domorningexerciseseveryday.Youshould/mustputlitterintothedustbin.Youshould/mustbrushteethtwiceaday.Youshouldn’t/mustn’treadinthesun.Youshouldn’t/mustn’tthrowlitteraround.Youshouldn’t/mustn’tstayuplateatnight.1Listenandnumberthefollowingpictures.takeshowers洗澡washhands

洗手openthewindow開窗sourmilk酸了的牛奶tidyrooms整理房間spitinpublic當(dāng)眾吐痰1Makesentenceswiththestructuresinthebox.Weshouldtakeshowersoften.我們應(yīng)該經(jīng)常洗澡。Weshouldwashhandsbeforemeals.我們應(yīng)該飯前洗手。should/shouldn’t…must/mustn’t…We1Makesentenceswiththestructuresinthebox.should/shouldn’t…must/mustn’t…WeWeshouldoftenopenthewindowtokeeptheairfresh.我們應(yīng)該經(jīng)常開窗以保持空氣新鮮。Wemustn’tdrinksourmilk.我們不能喝酸了的牛奶。/?sa??r/adj.酸的;餿的;1Makesentenceswiththestructuresinthebox.should/shouldn’t…must/mustn’t…WeWeshouldtidyourroomseveryday.我們應(yīng)該每天打掃/整理房間。Wemustn’tspitinpublic.我們不能在公共場合吐痰。/?ta?di/adj.

整齊的

v.

整理/sp?t/v.吐;唾Let’stalkaboutsmoking.Doesyourfathersmoke?Whydopeoplelikesmoking？Becausesmokingcanhelpthemrelax.Whentheyfeeltired,smokingcanmakethemfeelbetter.Thereareover7000chemicalsincigarettes./?kem?k(?)l//?s?ɡ?ret/

化學(xué)品

香煙、紙煙Thesechemicalsarebadforourbodies.body---bodies身體Infact...事實(shí)上Theycancausecancerandotherdiseases./d??zi?z/病、疾病Infact...事實(shí)上Although（盡管）youdon'tsmoke,smokingcanalso

harmyou.

/hɑ?rm/危害、傷害、損害second-handsmoke二手煙Itisalsodangerousandhighrisks./r?sk/

危險(xiǎn)、風(fēng)險(xiǎn)

（使）冒...的風(fēng)險(xiǎn)Whatshouldtheydo?Smokersshouldn'tusesmokingtohelpthemrelax.Theymustgiveupsmokingassoonaspossible.

盡快

Somepeoplethinkthatsmoking________(must/can)helpthemrelax.Infact,smokingisreally__________(healthy/unhealthy).Doyouknowthatthere______(is/are)over4000chemicalsincigarettes?Thesechemicalsare_______(good/bad)forourbodies.They_____(must/can)causecancerandotherdiseases.

Thesmokefromcigarettesharms___________(only/notonly)smokersbutotherpeople.It’scalled“second-handsmoke”andit______(can/can’t)bemoredangerousandhashigherrisks.Smokersshouldn’tusesmokingtohelpthemrelax.They______(must/mustn’t)giveupsmokingassoonaspossible.Completethepassagewiththecorrectwords.2canunhealthyarebadcannotonlycanmust

Somepeoplethinkthatsmokingcanhelphimrelax.Infact,smokingisreallyunhealthy.Doyouknowthatthereareover4000chemicalsincigarettes?Thesechemicalsarebadforourbodies.Theycancausecancerandotherdiseases.Thesmokefromcigarettesharms

notonlysmokersbutalsootherpeople.It’scalled“second-handsmoke”anditcanbemoredangerousandhashigherrisks.Smokersshouldn’tusesmokingtohelpthemrelax.Theymustgiveupsmoking

assoonaspossible.infact事實(shí)上causecancer致癌notonly...but(also)...不僅...而且...second-handsmoke二手煙giveup

放棄giveupdoingsth.

放棄做某事usesth.todosth.=usesth.fordoingsth.

用某物做某事as...aspossible盡量...地assoonaspossible盡快盡量多_______________________盡可能早_______________________asmany/muchaspossibleasearlyaspossibleThesmokefromcigarettesharmsnotonly

smokers

but（also）

otherpeople.香煙產(chǎn)生的煙霧不僅對(duì)吸煙者有害，也對(duì)其他人有害。notonly...but(also)...不但...而且...

notonly

A

but(also)B由B決定謂語動(dòng)詞的數(shù)

Notonlyhe

butalsoyou________(like)watchingfootball

matches.Notonlyyoubutalsohe________(like)watchingfootballmatches.1.Heislearning______________________________.

他不但在學(xué)英語，而且還在學(xué)日語。ShespeaksRussian____

_____inclass__________athome.她在課堂上和家里都說俄語。not

onlybut(also)likelikesnot

only

Englishbut(also)Japanese返回Smokersshouldn’tusesmokingtohelpthemrelax.吸煙者不應(yīng)該用吸煙來幫助他們放松。用某物做某事：

usesthtodosth

或usesthfordoingsth翻譯：我用鉛筆盒放筆：____________________________________________________________Iuseapencil-box

toput

pens.Iuseapencil-box

forputting

pens.返回ReviewGrammarModalVerbs情態(tài)動(dòng)詞(Ⅱ):

must/mustn’t;may;canYou_________throwlitteraround.Hethinkssmoking______helphimrelax.It_____evencausecancer.I_____askhimtogiveupsmoking._______Iborrowyournewspaperandshowittomyfather?canMaymustn’tmustcan1.定義：

情態(tài)動(dòng)詞是表示說話人的情緒，態(tài)度或語氣的動(dòng)詞。2.常見的情態(tài)動(dòng)詞有：can/could(能夠)

,may/might(可能)

,shall(...好嗎？要不要...?),should(應(yīng)該),will/would（將要）,must（必須）,need（需要）

3.觀察使用原則：

①Ican,hecan,Tomcan,Lucycan...②hemust,theymust,Tommust,TomandLucymust...③caneat/jump/run/sleep....p1211.定義：

情態(tài)動(dòng)詞是表示說話人的情緒，態(tài)度或語氣的動(dòng)詞。2.常見的情態(tài)動(dòng)詞有：can/could(能夠)

,may/might(可能)

,shall(...好嗎？要不要...?),should(應(yīng)該),will/would（將要）,must（必須）,need（需要）

3.使用原則：

情態(tài)動(dòng)詞后跟____________________。情態(tài)動(dòng)詞無______________________。

變否定:情后加not動(dòng)詞原形人稱和數(shù)的變化找出下列句子的錯(cuò)誤并改正。1.Lucycansdance.2.Tomshouldgoeshomenow.3.Theymustsfinishtheirhomeworkontime.4.Theboyshouldshasarestathome.cangomustshouldhavecanp1221.表示能力

Icanplayfootball.我能踢足球。

過去式：could

IcouldswimwhenIwas6yearsold.

我六歲時(shí)能游泳。2.表示請(qǐng)求,允許

CanIuseyourpen?我能用你的筆嗎？3.表示可能 Itcan’tbetrue!那不可能是真的。may---mightp122Can/May/Could/MightI...?我可以/我能...嗎？都可表示請(qǐng)求對(duì)方允許。mustp1221.表示必須、應(yīng)該（義務(wù)）

Youmusttakecareofyourparents.你必須照顧你的父母。2.mustn't=mustnot不許,禁止

Youmustn'tplayonthestreet.你不能在街上玩。3.mustbe表示推測，意為“一定，準(zhǔn)是”Shemustbeathome.她一定在家。注意：回答含有must的疑問句時(shí)，否定回答要用don’thaveto或needn’t,不能用mustn’t.

—MustIfinishmyhomeworkbeforewatchingTV?—Yes,youmust.—No,youneedn’t/don’thaveto.—No,youmustn’t.mustbe:一定是can’tbe:不可能是maybe:可能是表推測的三個(gè)用法：YoumustbeJohn！你一定是John！Youcan'tbeJohn!Johnistallerthanyou.你不可能是John,John比你高。Tomorrowmaybeasunnyday.

明天可能是晴天。Exercises用

mustmustn’tmaycancan’t

填空1.

______youlendyourpentome?2.

You___________throwlitteraround.3.

He_______beourteacher,Isawourteacherintheofficejustnow.4.

You_________takegoodcareofyousister.5.

You________borrowmybike.Canmustn’tcan’tmustmayReviewFunctions_______uplateisbadforyourhealth.

Howterrible!

It’s______foryourhealth.Don’tread____thesun.Itwillkeepyou______duringtheday.StayinggoodinactiveExercises1.Drinkingmilkaregoodforyourhealth.

_________

2.Eattoomuchmaymakeyoufat.

_________3.Readinthesunisbadforyoureyes.

_________4.Runningisagoodsport.

_________

改一改isEatingReadingExercisesTestingHowHealthyYouAre1.Choosetheanswertoeachquestionaccordingtoyourlifestyle.()1.Howoftendoyouwalktoschool?A.Never.B.Sometimes.

C.Always.()2.Howoftendoyoueatcandy?A.Often.B.Seldom.

C.Never.()3.Howlongdoyouusuallysleepatnight?A.Lessthan7hours.

B.Morethan10hours.

C.7-10hours.()4.Howoftendoyouexercise?A.Lessthanthreetimesaweek.

B.Threetosixtimesaweek.C.Everyday.()5.Howoftendoyoueatfruitandvegetables?A.Never.B.Seldom.