初中九年級英語課件Unit It must belong to Carla2

Unit8

ItmustbelongtoCarla.

能正確運用must,might,could和can't進行推斷。九年級全一冊參賽教師：李文麗時間：2020.8.5Whosepetisit?Itmustbe…Itcouldbelongto…ZhouJielun’s=Itmust

belongto

.ZhouJielunItmust

be

.ModalverbsMustmightcould

can'tHowcanweusethemtomakeinferences?Whosebookisit?ItmustbeWenJinmao’s.Why?Becauseithashisnameonit.Canyouguesswhatitis?

Itcouldbe_________________.Italsomightbe______________.awhitevasetwofaces

Itcouldbe__________.

Italsomightbe__________.

Canyouguesswhatitis?threebirdsabeautifulfacemust/may/could/might表示肯定推測時，must語氣最強，意思是“一定，肯定”表示很有把握。may/could/might語氣依次削弱，意思是“也許”，把握性不大?？偨Y(jié)練一練1.---Whosedictionaryisthis?---It_______belongtoJack.Hisnameisonit.A.canB.mightC.mustD.Could2.---WhereisTom?---Heisn’tcometoschooltoday.Ithinkhe_______beill.A.shouldB.mightnotC.mayD.couldn’tC3.---Whosebikeisthis?---It_______beAdam’s.Look!Hisbagisonit.A.mayB.mustC.mightD.couldB.Lookthatgirl,thatmaybeHelen.Thegirlcan’tbeHelen.HelenhasgonetoShanghai.Can’t表示否定推測，Can’t語氣很強，意思是“不可能”表示很有把握。Maynot/couldnot/mightnot語氣依次削弱，意思是“也許不，可能不”，把握性不大。Thatmanmaynotournewteacher,butI’mnotsure.Mustn’t不表否定猜測，意思是“禁止，不許可”.Haveatry1.Thedoorwaslocked.He

havebeenathome.mustB.mustn’tC.couldn’tD.may2.He

beintheclassroom,Ithink.No,He

beintheclassroom,Isawhimgohomeaminuteagocan;maynotB.must;maynotC.may;can’tD.may;mustn’t3.Theredbicycle________beAnna’s.Shehasabluebicycle.A.can’tB.mustn’tC.couldn’tD.mayCCA梳理歸納.情態(tài)動詞must,might,could,can’t

后接動詞原形,可以表示肯定，否定的

.Itcan’t/

maynot/couldnot/mightnot

()…Itmight/could()…Itmust()…+beSummary:★★

be