英語人教新目標(biāo)七年級上冊初二英語-情態(tài)動詞表推測

情態(tài)動詞的特點CaiXukuncanplaybasketball.FanChengchengcanplaybasketball,too.Buttheycan’tsingsongswell.3.

有助動詞的作用1.有詞義，但不能單獨作謂語，必須與動詞原形連用2.沒有人稱和數(shù)的變化reviewcan①表能力：AllofyoucanlearnEnglishwell

byworkinghard.Thesupermancan’tflywithoutredpants.②表請求，許可：-CanIeatfoodintheclassroom？-No,youcan’t.Butyoucaneatitinthetoilet.①表能力（can的過去式）：FangZhongyongcouldcomposepoemsattheageof5.②表委婉的請求-Couldyoupleaseopenthewindow?

Itistoohot.-Ofcourseyoucan./Sure.couldreview①表請求，許可：-MayIsmokehere?-Yes,youcan.-No,youmustn’t.

(語氣較強烈，表禁止)②might：may的過去式，語氣更委婉③表祝愿：

Mayyousuccessintheexam!reviewmay/might①主觀看法，表示必須，應(yīng)該（責(zé)任，義務(wù)）：

Youmustcareforyourparentsmore.②否定：

Youmustn’tsmokehere.（表示禁止）③疑問：

-MustIarriveherebythetimeof6？-Yes,youmust.-No,youneedn’t/don’thaveto.（“不用”）reviewmust①shall常用于第一人稱的征求意見：

ShallIhaveadatewithyouafterschool?②should表示勸告，建議：Youshouldlistentomecarefully.reviewshall/should①表示意愿，打算：

Iwillneverdothatagain.②委婉詢問：

Wouldyoulikesomebread?

reviewwill/would情態(tài)動詞表推測

must（一定）Youmust

be

joking!It’salready12:30.Youmust

be

hungrynow.

may/might（可能）Shemight

knowtheanswer.Tommay

comewithustonight,butheisn’tsureyet.肯定情態(tài)動詞表推測

can’t（一定不）Shecan’ttelltheanswertothequestionbecauseitisveryhard.Hesleepsinclasseveryday,

sohecan’t

getgoodgrade.

may/mightnot（可能不）Shemight

not

knowtheanswer.Tommay

notcomewithustonight,butheisn’tsureyet.否定

can/could（…可能嗎）Canitbetruethatitisgoingtoraintomorrow？Couldhefinishhishomework？

might和

could表示語氣比較委婉或者可能性相對較小。tips情態(tài)動詞表推測疑問ExerciseThetelephoneisringing,butnobodyanswersit,

he______be

at

home.2.You______betiredafterplayingsportsforalongtimewithoutarest.3.-Wherewillyougoforholiday?-Ihaven’tdecidedyet,we____gotoQingdao.can’tmustmaybesupposedtodo主語是人時，表示勸告，責(zé)任，義務(wù)，意為“應(yīng)該”、“被期望”，相當(dāng)于“should”。Youaresupposedtoworkhardandgetintoagoodhighschool.（你們應(yīng)該努力學(xué)習(xí)然后進入一個好的高中。）Everyoneissupposedtoloveandmakecontributionstoourcountry.（每個人都應(yīng)該愛戴自己的國家并且做出貢獻。）知識拓展對過去情況的推測，表虛擬，意為本應(yīng)該做而沒有做。should+havedoneHe

should

hav