Must-we-exercise-to-prevent-the-课件-初中英语课件-八年级英语课件

SectionAUnit2KeepingHealthyTopic3Mustweexercisetopreventtheflu?SectionAUnit2KeepingHealth1What’swrongwithhim?AskandanswerHehastheflu.Heshouldseeadoctor.What’swrongwithhim?Askand21a.Lookatthepictureandpredict（预测）Listento1aandanswerquestions.1.What’sjournalist’squestion?2.Mustwegotoseeadoctoratoncewhenwehavetheflu?Whatshouldwedotopreventtheflu?Yes,wemust.录音1a-P431a.Lookatthepictureandpr31b.Fluisaseriousillness,whatshouldwedotopreventit？Listento1aandcheckDr.Li’sadvice.录音1a-P431.exerciseoften

2.keeptheairfresh

3.gotobedearly

4.washhandsandchangeclothesoften5.keepourroomsclean

6.drinkenoughwater

7.takesomemedicine

8.keepawayfromcrowdedplaces√√√√√1b.Fluisaseriousillness,w4Read1aandfollow视频1a-P43Read1aandfollow视频1a-P435ReadandunderstandDr.Li’sadvice.视频1a-P43First,________________________________________________Second,____________________________________________Third,_______________________________________________Finally,______________________________________________

weshouldexerciseoftentobuildusup.weshouldkeepourroomscleanandtheairfreshallthetime.weshouldwashourhandsandchangeourclothesoften.

weshouldkeepawayfromcrowdedplaces.Howmanysuggestions?ReadandunderstandDr.Li’s6RetellDr.Li’sadvice.First,________________________________________________Second,____________________________________________Third,_______________________________________________Finally,______________________________________________exercisetobuildsb.up.keep…clean/freshwash,changekeepawayfromRetellDr.Li’sadvice.First,7GroupworkReciteDr.Li’sadviceLet’slearnmoreabouttheflu.GroupworkReciteDr.Li’sadv82.A.Listentothepassageandcirclethesymptomsthatyouhear.fevercoughheadachebackachetoothachestomachachesorethroatsoreeyes录音2-A-P442.A.Listentothepassagean9B.Listenagainandchecktheadviceyouhear.Should

drinklotsofboiledwatertakesomecoldpillsliedownandtakeagoodrestbrushyourteethtwiceadayShouldn’tworkontheInternettoolonggotocrowdedplacesplaysportstoomucheathotfood√√√√录音2-B-P44B.Listenagainandcheckthe10Groupwork合作探究:情态动词的用法(Learningpaper)Groupwork合作探究:情态动词的用法112．合作探究：情态动词must用法详解

（1）表示“必须”

.可用于肯定句、否定句或疑问句，用于否定句时，mustn’t的意思是________“一定不要”“不能”，而不表示“不必”。如：Students

_________

followschoolrules.

学生必须遵守校规。

You________eatanythinginclass.

你不能在上课吃东西。

禁止mustmustn’t2．合作探究：情态动词must用法详解

禁止mustmust12（2）对于must开头的一般疑问句，若作肯定回答，用________.若作否定回答，可以用_______或___________，不能用

mustn’t。如：

——“Must

I

clean

all

the

rooms?”

“这些房间我都得清扫吗?”——“Yes,

you

__________”

“是的。”——“No,

you

___________/_____________”

“不必。”mustneedn’tdon’thavetomustneedn’tdon’thaveto（2）对于must开头的一般疑问句，若作肯定回答，用____13（3）

must

表示推测

意为“准是”“一定是”，通常只用于肯定句。若用于疑问句或否定句，则用

can(可能）

和can’t（不可能）代之。如：Jane’s

light

is

on.

She

must

be

at

home.

She

can’t

be

out.

简的房间里开着灯。她一定在家，不会出去的。

——Hereisabook.Whoseisit?——It________bemine.Mybookisinmyschoolbag.——It________beLiming’s.Look,hisnameisonit.can’tmust（3）

must

表示推测

can’tmust14（4）

must

与

have

to

的区别

两者都表示“必须”，但must

侧重于说话者的主观看法，认为有必要或有义务去做某事；have

to

则重于客观需要，含有“不得不”“被迫”之意。如：

Everyone______

keep

the

law.

人人都要守法。

The

last

train

has

gone.

We’ll

_________

walk

home.

最后一班车已经开了，我们得走回家了。musthaveto（4）

must

与

have

to

的区别

两者都表示“153．当堂测试。（语法填空。根据情境，用恰当的词填空。）Mom:HiJohn,youlook_______.What’sthematter?John:I’mfeelingterrible.IthinkIhavetheflu.Mom:You_______seeadoctorandyou_______stayinbedandrest.

(Theycometothehospital.)Doctor:It’snothingserious.I’llgiveyousomepills.John:MustItakesomemedicine?Doctor:Yes,you________John:MustIstayinbed.?Doctor:No,you________.Butyou______haveagoodsleepandIthinkyoushouldexercisemore______you______.John:Ok,I’ll_____youradvice.Thankyou.Mom,IthinkI__________askfortwodays’leave.tiredshouldhadbettermustneedn’tmusttobuilduptakehaveto3．当堂测试。（语法填空。根据情境，用恰当的词填空。）tir16

单项选择：()1.—MustIstayhereallthetime?—No,you____

A.don’thaveto

B.must

C.mustn’t

D.need()2.—MayIaskyousomequestions,Dr.Wang?—____ A.You’rewelcome.B.Sure,goahead.C.No,I’mbusy.D.Yes,youmust.()3.—Tom,youshouldkeepyourroom_______

A.clean

B.cleaning

C.cleaned

D.toclean.()4.Whatshouldwedo_______theflu?A.preventB.topreventC.preventingD.prevented()5.Myparentsaskme__inordertomakemehealthy. A.buildupme B.buildmeup C.tobuildupme D.tobuildmeupABABD单项选择：ABABD173.Lookatthepicturesandwritedowntheadviceonhowtopreventtheflu,usingshould,hadbetterormust.1.2.Weshouldexerciseoften.Wemustgotoseeadoctoratoncewhenwehavetheflu.3.Lookatthepicturesandwr183.4.Wehadbetterkeepawayfromcrowdedplaces.Weshouldtakeashoweroften.3.4.Wehadbetterkeepawayf195.6.Weshouldkeeptheairfresh.Weshouldchangeourclothesoften.5.6.WeshouldkeepWeshouldch20Whatshouldwedotopreventtheflu?GroupworkWrittenWhatshouldwedotopreventt21summary1.Weknowhowtopreventtheflu.2.Wecanusemust/hadbetter/shouldtogiveadvice.summary1.Weknowhowtopreven22SectionAUnit2KeepingHealthyTopic3Mustweexercisetopreventtheflu?SectionAUnit2KeepingHealth23What’swrongwithhim?AskandanswerHehastheflu.Heshouldseeadoctor.What’swrongwithhim?Askand241a.Lookatthepictureandpredict（预测）Listento1aandanswerquestions.1.What’sjournalist’squestion?2.Mustwegotoseeadoctoratoncewhenwehavetheflu?Whatshouldwedotopreventtheflu?Yes,wemust.录音1a-P431a.Lookatthepictureandpr251b.Fluisaseriousillness,whatshouldwedotopreventit？Listento1aandcheckDr.Li’sadvice.录音1a-P431.exerciseoften

2.keeptheairfresh

3.gotobedearly

4.washhandsandchangeclothesoften5.keepourroomsclean

6.drinkenoughwater

7.takesomemedicine

8.keepawayfromcrowdedplaces√√√√√1b.Fluisaseriousillness,w26Read1aandfollow视频1a-P43Read1aandfollow视频1a-P4327ReadandunderstandDr.Li’sadvice.视频1a-P43First,________________________________________________Second,____________________________________________Third,_______________________________________________Finally,______________________________________________

weshouldexerciseoftentobuildusup.weshouldkeepourroomscleanandtheairfreshallthetime.weshouldwashourhandsandchangeourclothesoften.

weshouldkeepawayfromcrowdedplaces.Howmanysuggestions?ReadandunderstandDr.Li’s28RetellDr.Li’sadvice.First,________________________________________________Second,____________________________________________Third,_______________________________________________Finally,______________________________________________exercisetobuildsb.up.keep…clean/freshwash,changekeepawayfromRetellDr.Li’sadvice.First,29GroupworkReciteDr.Li’sadviceLet’slearnmoreabouttheflu.GroupworkReciteDr.Li’sadv302.A.Listentothepassageandcirclethesymptomsthatyouhear.fevercoughheadachebackachetoothachestomachachesorethroatsoreeyes录音2-A-P442.A.Listentothepassagean31B.Listenagainandchecktheadviceyouhear.Should

drinklotsofboiledwatertakesomecoldpillsliedownandtakeagoodrestbrushyourteethtwiceadayShouldn’tworkontheInternettoolonggotocrowdedplacesplaysportstoomucheathotfood√√√√录音2-B-P44B.Listenagainandcheckthe32Groupwork合作探究:情态动词的用法(Learningpaper)Groupwork合作探究:情态动词的用法332．合作探究：情态动词must用法详解

（1）表示“必须”

.可用于肯定句、否定句或疑问句，用于否定句时，mustn’t的意思是________“一定不要”“不能”，而不表示“不必”。如：Students

_________

followschoolrules.

学生必须遵守校规。

You________eatanythinginclass.

你不能在上课吃东西。

禁止mustmustn’t2．合作探究：情态动词must用法详解

禁止mustmust34（2）对于must开头的一般疑问句，若作肯定回答，用________.若作否定回答，可以用_______或___________，不能用

mustn’t。如：

——“Must

I

clean

all

the

rooms?”

“这些房间我都得清扫吗?”——“Yes,

you

__________”

“是的。”——“No,

you

___________/_____________”

“不必。”mustneedn’tdon’thavetomustneedn’tdon’thaveto（2）对于must开头的一般疑问句，若作肯定回答，用____35（3）

must

表示推测

意为“准是”“一定是”，通常只用于肯定句。若用于疑问句或否定句，则用

can(可能）

和can’t（不可能）代之。如：Jane’s

light

is

on.

She

must

be

at

home.

She

can’t

be

out.

简的房间里开着灯。她一定在家，不会出去的。

——Hereisabook.Whoseisit?——It________bemine.Mybookisinmyschoolbag.——It________beLiming’s.Look,hisnameisonit.can’tmust（3）

must

表示推测

can’tmust36（4）

must

与

have

to

的区别

两者都表示“必须”，但must

侧重于说话者的主观看法，认为有必要或有义务去做某事；have

to

则重于客观需要，含有“不得不”“被迫”之意。如：

Everyone______

keep

the

law.

人人都要守法。

The

last

train

has

gone.

We’ll

_________

walk

home.

最后一班车已经开了，我们得走回家了。musthaveto（4）

must

与

have

to

的区别

两者都表示“373．当堂测试。（语法填空。根据情境，用恰当的词填空。）Mom:HiJohn,youlook_______.What’sthematter?John:I’mfeelingterrible.IthinkIhavetheflu.Mom:You_______seeadoctorandyou_______stayinbedandrest.

(Theycometothehospital.)Doctor:It’snothingserious.I’llgiveyousomepills.John:MustItakesomemedicine?Doctor:Yes,you________John:MustIstayinbed.?Doctor:No,you________.Butyou______haveagoodsleepandIthinkyoushouldexercisemore______you______.John:Ok,I’ll_____youradvice.Thankyou.Mom,IthinkI__________askfortwodays’leave.tiredshouldhadbettermustneedn’tmusttobuilduptakehaveto3．当堂测试。（语法填空。根据情境，用恰当的词填空。）tir38

单项选择：()1.—MustIstayhereallthetime?—No,you____

A.don’thaveto

B.must

C.mustn’t

D.need()2.—MayIaskyousomequestions,Dr.Wang?—