if條件狀語從句-語法2

Module5ProblemsIf從句（條件狀語從句）Completethesentenceswiththecorrectformofthewords.1.Ifyou_______(listen)tothemusic,_____(buy)aCD.2.Ifhe______(be)lateforschool,______(notwait)forhim.3.Ifyou____(buy)anewcamera,____(get)agoodone.4.Ifthelight____________(notcome)on,____(wait)foroneminute.isbuygetdoesn’tcomewaitdon’twaitlistenbuyRevisionRevision祈使句+if條件狀語從句if條件狀語從句，+祈使句（從句后加逗號(hào)）if條件狀語從句要用一般現(xiàn)在時(shí)。句型結(jié)構(gòu)時(shí)態(tài)If條件狀語從句（1）Whatwillyoudoifyou’rehappy?IfI’mhappy,Iwill____________.IfI’mhappy,Iwill____________.IfI’mhappy,Iwill____________.IfI’mhappy,Iwill______________.clapmyhandsstampmyfeetwinkmyeyesnodmyheadIfI’mhungry,Iwill______________.IfI’m

tired,Iwill_____________.LookandsayeatsomefoodhavearestIfI’mill,__________________.

IwillseeadoctorLookandsayIfI’mlate,_________________.Iwillsaysorry

Ifitrainstomorrow,I_____________________.willwatchTVathomeIfit_____________tomorrow,________________.I’llplaybasketballdoesn’trainIwon’t________________.playbasketballgrammarif條件狀語從句(2)句子特點(diǎn)：1.if從句中用一般現(xiàn)在時(shí)，表示未來的一種條件，從句中可以加時(shí)間狀語。2.當(dāng)if表示未來的條件時(shí)，主句中用一般將來時(shí)。句型結(jié)構(gòu)：主句+if條件狀語從句if條件狀語從句，+主句（從句后加逗號(hào)）3.時(shí)態(tài)：if一般現(xiàn)在時(shí)，+主句一般將來時(shí)或（can/may/must+v.)e.g.1.Ifyoudon’tgetupearly,youwillbelateforschool.你如果不早點(diǎn)起床，上學(xué)就會(huì)遲到。2.IfIplaygamesonit,itwillgowrong.如果我用它玩游戲，它就會(huì)壞掉。3.Ifyoufinishthehomework，youcangohome．如果你作業(yè)做完了就可以回家了。4.Ifyouwanttoloseweight，youmusteatlessbread.如果你想減肥，你必須少吃面包。1.Ifhe____________(not,doit),I___________(do)it.2.Ifyou____(be)lateforschool,myteacher________(be)angry.arewillbe3Ifshe________(win)theprize,we_______(be)happy.winswillbe4.IfI_________(not,eat)somuch,I_________(get)thinner.5.Ifyou______(tell)them,they_____________(not,believe)you.don’teatwillgettellwon’tbelieve6I_________(stay)athome,Ifit__________(rain).7.Ifit____________(not,rain),I_________(go)out.8.we__________(play)football,Ifitis_________(sun).9.Ifshe__________(become)astar,herparents____________(not,send)heraway

10.He_________(watch)TV,ifhe______(be)free.willstayrainsdoesn’trainwillgowillplaysunnybecomeswon’tsendwillwatchisdoesn’tdowilldoExerciseTimesummaryif的用法2.引導(dǎo)條件狀語從句：譯為“如果，假如”(1)if從句+祈使句(2)if從句+主句（一般將來時(shí)）1.引導(dǎo)賓語從句：譯為“是否”，表示不確定的概念。Idon’tknowifyourfathercancometogether.Canyoutellmeifmissyourparents?e.g.IfIwereyou,Iwouldinvitehimtotheparty.如果我是你，我會(huì)邀請(qǐng)他參加聚會(huì)。Ifhehadhurried,hecouldhavecaughtthetrain.如果他抓緊點(diǎn)，他會(huì)趕上火車的。IfIweretogoabroad,IwouldgotoAmerica.如果我出國(guó)了，我會(huì)去美國(guó)。3.非真實(shí)條件句（虛擬語氣）：表示不可實(shí)現(xiàn)的條件或根本不存在的條件。從句多用一般過去時(shí)或過去完成時(shí)，表示對(duì)現(xiàn)在或過去的一種假設(shè)。()6.─Mikewantstoknowif____apicnictomorrow.─Yes.Butifit_______,we'llvisitthemuseuminstead.A.youhave；willrain

B.youwillhave；willrainC.youwillhave；rains

D.willyouhave；rains()7.Ireallydon'tknowifshe_______itwhenshe________.A.finds/arrives

B.finds/willarrive

C.willfind/willarrive

D.willfind/arrives（）4.Idon’tknowif______tomorrow.A.itdoesn’trainB.therainwillstopsC.therainswon’tstopD.itwon’train（）5.Thevolleyballmatchwillbeputoff(推遲）ifit______.A.willrainB.rainsC.rainedD.israining（）1.Becareful,ifyou______wanttomakemistakes.A.won’tB.don’tC.didn’tD.not（）2.Workhardifyou______togetagoodmark.A.wantedB.wantingC.wantD.willwant（）3.--Iwanttokno