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高考必考英语语法大全

虚拟语气在各种从句的应用

主语从句的虚拟

1.Itis+adj.+thatsb.(should)do

常见的形容词有：necessary,important,strange,natural

Itsimportantthathetakemyadvice.

2.Itis+n.+thatsb.(should)do

常见的名词有：apity,ashame,nowonder,oneswish

Itsapitythathebesosilly.

3.Itis+done+thatsb.(should)do

常见的过去分词有：suggested,advised,demanded,requested,required,asked,ordered,

proposed,decided,desired,insisted等。

Itsrequestedthatshegohomeassoonaspossible.

宾语从句的虚拟

1.表命令，表建议，表要求的动词，后接宾语从句虚拟。虚拟的构成为(should)do。

Iadvisethathestayathome.

2.wish后接从句，虚拟的构成是往过去推一个时态。

IwishIhadwatchedthefootballmatchlastnight.

注意以下几组词或短语用于虚拟语气中。

1.asif,asthough

HespeaksEnglishasifhewereanativespeaker.

2.otherwise,but,eventhough

Hewasill.Otherwisehewouldhavebeenthere.

3.with,without,butfor

Withoutyourhelp,Iwouldhavediedtwoyearsago.

Butforyourhelp,Iwouldhavediedtwoyearsago.

4.wouldratherIdratheryoutoldmeyourself.

5.Itstimethat

Itstimethatyouwenttobed.

Itstimethatyoushouldgotobed.

表语从句中的虚拟

在表语从句中，表示间接的命令，要求、请求、建议、决定等，主句中的主语通常是

suggestion,proposal,request,orders,idea等。从句谓语形式是动词原形。如：

Hissuggestionis