人教版高中英語必修三高一英語《Unit2》知識點(diǎn)

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madeofjingetieji

★要點(diǎn)語法：神態(tài)動(dòng)詞與虛假語氣（二）

一、虛氣在非真條件句中：

虛假條件句主句與此刻事實(shí)相反

與過去事實(shí)相反

與未來事實(shí)相反

If+主語+did（be-were）

If+主語+haddone

If+主語+did（be-were）

If+主語+wereto+do

If+主語+should+do

主語+should/would/could/might+do

主語+should/would/could/might+havedone

主語+should/would/could/might+do

IfIwereyou,Ishouldseizethechance.

Ifyouhadtakenmyadvice,youwouldnothavefailedintheexam.

Ifheshouldnotcometomorrow,weshouldputoffthemeetingtillnextMonday.

?注意：

當(dāng)從句表示的行與主句表示的行生不一致，稱“條件句”，的形式要依據(jù)所表示的做出相的整。

Ifyouhadfollowedmyadvicejustnow,youwouldbebetternow.

從句中if可以省略，但要把were,had,should提到句首，倒裝句式。

IfIwereatschoolagain,Iwouldstudyharder.

→WereIatschoolagain,Iwouldstudyharder.3.用介短取代條件狀從句：常用的介有with,without,butfor。Whatwouldyoudowithamilliondollars?(=ifyouhadamilliondollars)

宛轉(zhuǎn)條件句

Iwasillthatday.Otherwise,Iwouldhavetakenpartinthesportsmeeting.

Hetelephonedtoinformmeofyourbirthday,orIwouldhaveknownnothingaboutit.

Amanwhostoppeddrinkingwaterwouldbedeadinaboutsevendays.

二、虛氣在名性從句中：

用于從句

wish后邊的從句一般用虛氣，表示不可以能的夢想。

IwishthatIwereabirdandcouldflyfreelyinthesky.IwishthatIhadmetthefamouswriteryesterday.Ifonly+句子=HowIwishthat?

IfonlyIhadseenthefilm!=HowIwishIhadseenthefilm!

wouldrather后的從句中：

Iwouldrathertheydidn’thearofthenews.

Iwouldrathertheyhadn’theardofthenews.(從句作先生)

●表示“建、要求、命令”（如suggest,propose,advise,demand,require,insist,

order）等后的從句中，用虛氣，其構(gòu)should+原

形，should可以省略：

Hesuggestedthatwe(should)startoffearlythenextday.

注意：當(dāng)suggest意“表示、表示”；insist意“持、力言”，

今后的從句不用虛氣：

Thesmileonhisfacesuggestedthathewassatisfiedwithourwork.

Themaninsistedthathehadneverstolenthemoney.

用于主從句：

Itissuggested/proposed?that(should+do)，should可以省略Itissuggestedthatthemeeting(should)beputofftillnextweek.

用于表從句和同位從句中：

suggestion,proposal,order,request,advice等名后的表從句和同位從句要用虛

氣，其構(gòu)成是should+do,should可省略。

Myrequestisthatyou(should)thinkitoverbeforeacceptingit.

Weallagreedtohissuggestionthatwe(should)gotoDalianforsightseeing.

三、虛氣用在其余句型中:

asif/asthough

Helooksasifhewereanartist.（同）

ShespeaksEnglishasifshehadstudiedEnglishinAmerica.（先于）

2.

HelearnsEnglishsohardasifhewouldgototheUSA.（后于）

Itis(high)time(that)?從句中可用去式或s