初中英語語法之條件句講解 練習(xí) 答案

1、1條件句條件句【條件句條件句】（一）（一）真實(shí)條件句真實(shí)條件句連接詞條件從句結(jié)果從句一般將來時(shí)一般將來時(shí)表可能：Ifherunshe’llgetthereontime.maymightcan允許能力：Ifitstopssnowingwecangoout.mustshould命令，請求，勸告：Ifyouwanttoloseweightyoumustshouldeatlessbread.IfIf主語一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)客

2、觀事實(shí)：Ifyouheaticeitturnstowater.（二）虛擬條件句（二）虛擬條件句虛擬語氣表示一種假設(shè)的情況，或一種主觀的愿望，即動(dòng)詞所表示的動(dòng)作或狀態(tài)并非事實(shí)，或不可能實(shí)現(xiàn)。英語虛擬語氣的形式有下列幾種：一、與現(xiàn)在事實(shí)相反一、與現(xiàn)在事實(shí)相反連接詞條件從句結(jié)果從句IfIf主語一般過去時(shí)（be動(dòng)詞一般用were）主語shouldwouldcouldmight動(dòng)詞原形如：IfhehadthetimeJohnwouldmakeat

3、riptoChinatoseetheGreatWall.IfIwereyouIwouldgiveupdrinkingimmediately(立即、立刻).IfIdidn’thaveacoldIwouldgotoyourbirthdayparty.二.與將來事實(shí)相反與將來事實(shí)相反如：IfyoushouldlosewhatwouldyoudoIfIweretoseehertomrowIwouldtellherthetruth.三、與過去事實(shí)

4、相反三、與過去事實(shí)相反連接詞條件從句結(jié)果從句IfIf主語過去完成時(shí)（had過去分詞）主語shouldwouldcouldmighthave過去分詞如：IfI’dknownthatitwasgoingtorainIwouldneverhavegonefawalkinthecountry.IfIhadn’thadacoldlastweekIwouldn’thavemissedyourbirthdayparty.連接詞條件從句結(jié)果從句IfIf

5、主語shouldwouldwereto動(dòng)詞原形主語shouldwouldcouldmight動(dòng)詞原形3()6.InBritainyoumustbe18________youwanttodriveacar.A.whyB.becauseC.soD.if()7.IfI_______youI’dtakethesmallapple.A.amB.wereC.was()8.Susanwillnotarriveattheairptontime_____

6、__shehurriesup.A.onceB.ifC.whenD.unless()9.Ifmyfather________backpleaseletmeknow.A.comesB.willcomeC.come()10.Let’ssee___wecanfindsomeinfmationaboutthecity.A.thatB.ifC.whatD.which()11.IfIyouIabighouse.A.waswouldbuyB.werew