人教版九年級(jí)英語

Unit5

ItmustbelongtoCarla.SectionAGrammarfocus情態(tài)動(dòng)詞must,might,could,can’t表示推測(cè)的含義與用法。情態(tài)動(dòng)詞must,might,could,can’t后面都接動(dòng)詞原形，都可以表示對(duì)現(xiàn)在情況的揣測(cè)或推斷，但他們的含義有所不同mustcan’tcouldmightmay100%一定，肯定probablytrue20%-80%可能也許possiblytrue

0%不可能almostnottrueLet’splayagame!Hemustbe_____________.Hemustbe_____________.Hemustbe_____________.Whatisit?Whatisit?Whatisit?Whatisit?Whatisit?Whatisitdoing?Itmight/couldbe__________.Whatisitdoing?Itmight/couldbe__________.Whatdoesshedo?Shecould/mightbea/an______Whatdoeshedo?Hecould/mightbea/an______Itmustbe_______.Whosebookisthis?Itmustbelongto____.

Itmustbe_________.Helovestoysverymuch.Whoseeraseristhis?Whoseeraseristhis?Itmustbe______.Shelovesbeautifulpencilcase

.Whosepencilcaseisthis?

幻燈片3e.g.Thedictionarymustbemine.Ithasmynameonit.TheCDmight/couldbelongtoTonybecausehelikeslisteningtopopmusic.Thebookcan’tbeTom’s.Hewasn’tatschooltoday.1abelongauthorpicnichairhandpossiblyv.屬于

n.作家；作者

n.（自帶食物的）郊游野餐發(fā)帶

adv.可能地；也許authorpossiblybelongpicnichairhandatapicnic在野餐Attention注意Itmustbesb’s一定是某人的東西Itmustbelongtosb一定屬于某人Step2:lookatthepictureandfillinthechart

Cloth-ingFunthingsKitchenthingshatvolleyballplateT-shirtjacketToycarmagazineCDbookcup1b

PersonJane’slittlebrotherMaryCarlaDengWenGraceThingVolleyballToycarMagazineBookCDReasonHemingwayisherfavoriteauthor.Shelovesvolleyball.Hewastheonlylittlekidatthepicnic.Shealwayslistenstoclassicalmusic.古典音樂Helovescats.Listenandmatcheachpersonwithathingandareason.2aListenandwritedownthethingsinthebackpack.Thingsinthebackpack.1.2.3.T-shirtHairbandTennisball2bThepersonmustgotoourschool.2.Theperson

beaboy.3.ItbeMei’shairband.4.ThehairbandbelongtoLinda.5.ItbeLinda’sbackpack.

can’tcouldmustmightListenagainandfillintheblank2c1.ThenotebookbeMing’s.Itwasonherdesk.2.ThehomeworkbeCarol’s.Shewasn’tatschooltoday.3.ThesoccerballbeJohn’sorTony’s.Theybothplaysoccer,don’tthey?4.TheFrenchbookbeLiYing’s.She’stheonlyonewho’sstudyingFrench.must/mightcan’tmightmust5.Ican’tfindmybackpack.Itbestillatschool.6.ThephotobeLu’s.Thosearehisparents.7.TheredbicyclebeHu’s.Shehasabluebicycle.8.Thisticketbemyaunt’soruncle’s.They’rebothgoingtotheconcert.might/mustmustcan’tmight

表示推測(cè)的情態(tài)動(dòng)詞

summary(1)must100%一定，肯定100%Probablytrue(2)may/might/could可能也許20%-80%possiblytrue(3)can’t不可能0%almostnottrue結(jié)構(gòu)：must/

may/might/could+domust/may/might/could+bedoing“……正在做”must/may/might/could+bedone“….被做’

Fillintheblankswithmust,can’t,could

or

might.Exercise2c

1.ThenotebookbeMing’s.Itwasonherdesk.2.ThehomeworkbeCarol’s.Shewasn’tatschooltoday.3.ThesoccerballbeJohn’sorTony’s.Theybothplaysoccer,don’tthey?4.TheFrenchbookbeLiYing’s.She’stheonlyonewho’sstudyingFrench.must/mightcan’tmightmust5.Ican’tfindmybackpack.Itbestillatschool.6.ThephotobeLu’s.Thosearehisparents.7.TheredbicyclebeHu’s.Shehasabluebicycle.8.Thisticketbemyaunt’soruncle’s.They’rebothgoingtotheconcert.might/couldmustcan’tmight/could1.這本書一定是李雷的。他正在找這本書。Translation2.這個(gè)發(fā)帶可能是韓梅的。她喜歡戴發(fā)帶。ThisbookmustbeLiLei’s.Heislookingforthebook.ThehairbandcouldbeHanMei’s.Shelikeswearingahairband.3.這個(gè)玩具可能是約翰的妹妹的。他還是個(gè)小姑娘。4.這個(gè)排球不是瑪麗的。她根本不喜歡排球。ThetoymightbelongtoJohn’ssister.Sheisalittlegirl.Thevolleyballcan’tbeMary’s.Shedoesn’tlikeplayingvolleyballatall.情態(tài)動(dòng)詞用法總結(jié)1.can否定can’t

2.Could（1）表示能力“能”“會(huì)”（2）表委婉語氣（3）can’t表推測(cè)“不可能”(1)can的過去式(2)表示委婉語氣—couldyou………?你能…嗎？__sure,Ican/sorry,Ican’t(3)表示推測(cè)“可能，也許”3.may/might（1）表推測(cè)“也許”

（2.表委婉語氣MayI…….?我可以...’嗎?回答;yes,youcan/may.No,youcan’t（不能）/mustn’t(禁止)4.must=haveto（1）

表示

“必須，不得不”———mustn’t“禁止，不允許”___MustI……….?我必須…?—