if条件句讲解及练习0

if条件句讲解及练习含if的真实条件句和虚拟条件句

（1）在英语中，语气是动词的一种形式，用来表示说话人的意图或看法英语的语气有三种陈述语气（表示所说的话是事实），祈使语气（表示所说的话是请求或叮嘱）和虚拟语气（表示所说的话只是一种主:观的愿望或假设或建议等）假如所表示的条件是真实的，或者完全有可能实现的，叫真实条件句，主句和从句的谓语都用陈述语气如If shedoesn*t hurryup,she willmiss thefirst bus.假如所表示的条件不行能实现或者实现的可能性很小时，叫非真实条件句，主句和从句的谓语要用虚拟语气从句主句及现在事实相反过去式（b用were）wouId/shou1d/cou1d/mi ght+do及过去事实相反过去完成式would/should/could/might+have done及将来事实相反should were to+动词原形wou1d/shou1d/cou1d/m igh t+doIf Iwere you,I wouldnot letout thesecret.假如我是你的话，我不会泄露这个隐私的If Iknew hisnew address,I would tell you.假如我知道他的新地址，我会告知你的If hestudied harder,he wouldpass theexam.假如他学习再努力点的话，他会通过考试的If wehad made fuller preparation,we should have won the game.假如我们做了更充分的准备的话，我们确定就赢了这场竞赛If youhad taken my advice,you wouldn,t have been latefor themeeting.假如你听了我的建议，你开会就不会迟到了If shewereto/should come,I wouldtel1her thesecret.万一•她来的话，我会告知她这个隐私2省略if的虚拟条件句在含有wore,had,或者should等词的虚拟条件句中，可以省略if,将were,had或者should这些助动词放在句首如Were Iyou,I wouldnot letout thesecret.Had wemadefuller preparation,we shouldhave wonthe game.Had youtakenmyadvice,you wouldn*t havebeen latefor themeeting.Should shecome,I wou1dtel1her thesecret.高一语法练习if条件句及虚拟语气

一、单项选择

1.If Iwhere helived,I anote tohim.A.know,would havesent B.had known,would havesentC.know,wou1d sendD.knew,would havesent

2.Mary isi11today.If she_______,she absentfrom school.A.were notill;wouldn,t beB.had been ill;wouldn,t havebeenC.had beenill;shouldhavebeen D.hadn tbeenill;could be

3.He actedas if he everythingin theworld.

4.If youhad enoughmoney,what A.will youbuy B.wou1d youbuyC.wou1d youhave boughtD.will youhave boughtA.knew B.knows C.has knownD.won,t know

5.If Mr.Young withjustice,he sucha wrongthing.A.were treated;wouldnf t doB.had beentreated;wouldn*t havedoneC.were treated;wouldn*t havedoneD.had beentreated;wouldn,t do

6.What ifthere nolight duringthe dayA.will happen;was B.would happen;isC.happens;were D.would happen;were

7.The spokesmanacted thatway as ifhe_____anything aboutthe accidentbutactuallyhe did.A.doesn,t hearB.didn,t hearC.haven,t heardD.hadn,t heard

8.If itnot forthe factthat youill now,I wouldsurely punishyou.A.is;are B.were;were C.were;are D.was;were

9.Many Chinesemovie starsnow havegiven uptheir Chinesenationality.If Iwerethem,I that.A.shouldn,tdoB.didn tdo C.hadn tdone D.wontdo

10.I wantto getback by5o clockif.A.1ikely B.can C.possible D.probable

11.It seemsasifit______already summernow butit isonly February.A.is B.was C.were I,had been

12.If Henryhad notpulled hiscap lowover hisbrow,he_______by thepolice.A.might berecognized B.might havebeen recognizedC.would haverecognized D.was tohavebeenrecognizedKeys:1—5BAABB6—10DDCAC11—12CB。