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文件名称:2025年大学英语三级语法核心要点深度解析汇编.doc
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文档摘要

三级语法考点归纳

虚拟语气

1.if句中虚拟形式

if引导非真实条件句(纯粹假设或发生也许性不大):

条件从句主句

与目前相反did(bewere)would/should/might/coulddo

与未来相反did(bewere)would/should/might/coulddo

与过去相反haddonewould/should/might/couldhavedone

例句

Ifweleft(leave)now,weshouldarriveintime.

Iftheyhadn’tgoneonvacation,theirhousewouldn’thavebeenbroken(break)into.

2.原形虚拟:

a.表命令、决定、规定、提议等词语之后that-分句中,用动词原形。

suggest,demand,advise,propose,order,arrange,insist,command,require,request,desire……that+(should)do

例如Hesuggestedthatweshouldleaveearly.

Mysuggestionisthatweshouldtellhim.

b.Itis(was)形容词/名词that……(should)do/

例如Itisabsolutelyessentialthatallthefactsbeexaminedfirst.

3.某些句型中虚拟形式:

1.It’s(high,about,thefirst,etc.)time(that)…动词过去时…

例如It’stimeweleft.例如Itistimewewenttobed.

2wouldrather/sooner宁愿

asif/though仿佛

wouldrather/sooner谓语用过去时与目前或者未来相反

asif/though谓语用过去完毕时与过去相反

4.练习

1.I_______tryitagainifI_______you.

A.will;amB.should;amC.would;wereD.would;hadbeen

2.Ifit_______notforthewater,theplants_______live.

A.were;wouldnotB.is;couldnotC.were;couldD.did;couldnot

3.IfI_______thatchancetoshowmyability,I_______thepresidentofthisschool.

A.havenothad;couldnotbecome B.hadnothad;wouldnothavebecome

C.didnothave;couldnotbecome? D.doesn’thave;willnotbecome

4.He_______bythatburglarifyou_______tosavehim.

A.mighthavebeenkilled;hadn’tcomeB.willbekilled;didn’tcome

C.maybekilled;did’tcomeD.couldbekilled;haven’tcome

5.Ifit_______foryourhelp,I_______thathardtimewithsolittlemoney.

A.werenot;wouldnotspendB.isnot;cannotspend

C.hadnotbeen;wouldnothavespentD.havenotbeen;willnotspen