语法情态动词Word格式文档下载.docx

语法情态动词Word格式文档下载.docx

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must,shall,should,will,would,may,might,can,could,need,dare

Youmustarriveatschoolearlier.

3.MustIturninmyhomework?

Yes,youmust.

No,youneedn’t.

Youmustn’tplayfootballinthestreet.

4.情态动词特殊用法：

a.can疑问句，否定句表示可能性

Canitbetruethat…?

itcan’tbetrue

b.must偏偏

ThetelephonemustringwhenIwasabouttogoout.

c.would过去常常

和usedtodo区别

Iusedtogetuplate.（nowIgetupearly.）

WhenIwasinFrance,Iwoulddrinkafternoontea.

d.may祝愿

Mayyousucceed!

e.shall一三人称疑问句请求对方允许

shallwe

二三人称肯定句命令、允诺、威胁、请求等语气

Mymotherpromisedthatsheshallbuymeabicycle.

f.should竟然

It’shardtoimaginethatagentlemanshouldberudetoalady.

I’msodisappointedthatyoushouldgetsuchalowmark.

g.would,could语气委婉

Wouldyouliketohaveanothercupoftea?

Couldyoupleasepassmethesalt?

Ican/will.

5.情态动词表推测

肯定推测现在：

mustdo/be过去：

musthavedone

Hemustbeinthelibrarynow,isn’the?

Heisinthelibrary.

Hemusthaverecitedthetranslationslastnight,didn’the?

Herecitedthetranslationslastnight.

HemusthavebeeninSHforages,hasn’the?

HehasbeeninSHforages.

否定推测现在：

can’tdo/be

Hecan’tbeinthelibrary.

过去：

can’thavedone

可能性的推测现在：

may/mightdo/be

Hemaybeinthelibrary.

may/mighthavedone

shouldhavedone应该做某事没有做（责备）

needhavedone有必要做某事没有做

couldhavedone本可以做某事没有做

6.dare,need既可作情态动词，又可作行为动词

daredo否darenotdo

daretodo否don’tdaretodo

sthneed/want/requiredoing=tobedone

7.will=bewillingto

8.oughtto=should=besupposedtohavedone应该做某事没有做

9.dressupasSantaClaus/FatherChristmas装扮成圣诞老人

10.成功做某事managedtodo=succeededindoing=was/wereableto

11.Beoutofcontrol失控

bringsb./sth.undercontrol控制住

12.成功做某事succeededindoing=managedtodo=was/wereableto

13.sbbetoblameforsth.某人该为某事负责

Thedriveristoblameforthetrafficaccident.

14.regrettodo遗憾

regretdoing后悔

15.haveanappointmentwithsb.和某人有约date

16.will=bewillingto愿意

17.Thedoorwon’topen.