2024-2025学年新目标英语九年级Unit 8 情态动词复习讲解课件 .pptVIP

Learninggoals:;思考？;can/cannot;1.是can的过去式；??表示过去的能力；

Hecouldrideabikeattheageoffive.?

2.用于婉转语气,多用于问句。“能，可以”

Couldyoupleasecleantheroom?

----CouldIcometoseeyoutomorrow?

----Yes,youcan.(No,youcan’t.)

此处could不是过去式，只是语气更委婉，

答语中不能用could和couldn’t，要用can和can’t。

;may/maynot;may/maynot;must/mustnot;must/mustnot;must/mustnot;need作情态动词，主要用于疑问句和否定句中

need一般疑问句:

肯定回答用Yes,…must，

否定回答用No,…needn’t.

或No,…don’thaveto.

如：NeedIdoitnow?

Yes,you________。

No,you___________.

need作行为动词，有人称、数和时态的

变化后接todo，即needtodosth.。;might/may;Ⅰ.用适当的情态动词填空：。

1.Icanplayfootball.__________youswim?

2.Ican’tplaywithyou.I__________finishmyhomeworkfirst.

3.I__________getupearlytomorrow.becauseIhaveameeting.

4.Nobody___________livewithoutair.

;

5.__________Icomein?Yes,please.

6.__________youpleasetellmewherethe

stationis?

7.MustIfinishtheworknow?

No,you_________.

8.--NeedItakethisbookout?

--Yes,you_____.

A.canB.mayC.needD.must

9.______thegirlreadbeforeshewenttoschool?

A.CanB.MustC.CanD.Could?;;Guessinggame;Whosedogisthis?;Whosedogisthis?;Anactor,heistall,coolandpopular.;Anactor,heistall,coolandpopular.;Heisabasketballplayer.;Heisabasketballplayer.;;Heisrichbuthelpful.;情态动词表推测讲解;might,could表示推测

;can’t意为“不可能”,必用在否定句中。Eg.--Themancan’tbeMr.Green.

--HehasgonetoAmerica.

;情态动词表示推测

常考的有：;;用must,could,can’t,might填空。;【例1】--Jimisreadingabookunderthattree.

--It_____beJim.HehasgonetoHainan.



A.may

B.mustn’t

C.can’t

D.could;【例2】--Whereareyougoingthismonth?

--We_____gotoXiam