初二if条件句-课件

Unit5Ifyougototheparty,youwillhaveagreattime.2020/10/281If引导的条件状语从句2020/10/282精品资料2020/10/283（主现从现）Ifyouheatit，

snowturnsintowater.条件句表事实,主句常用现在时2020/10/284Ifyou________ice,it______intowater.(heat/turn)2.Aballoon________ifyou_______apinintoit.(burst/stick)3.Ifyou________steam,it________intowater.(cool/turn)4.Metal_______ifyou______it.(melt/heat)5.Wood_______ifyou______itintowater.(float/put)6.Aglass_______ifyou_____it.(break/drop)heatmeltsputfloatsdropbreaksturnsburststurnsheatcoolstick2020/10/2851.主祈从现2.主情（can，may，should，must）从现3.主将从现if…will/won’t2020/10/286祈使句+if条件状语从句

If条件状语从句，+祈使句if条件状语从句要用一般现在时。句型结构时态1.主祈从现2020/10/287Ifyouwanttogetgoodmarks,

dowhat?Don’tdowhat?Ifyouwanttogetgoodmarks,__________.Ifyouwanttogetgoodmarks,don’t__________.studyhardlistentoteachercarefully.dohomeworkbyyourself.

copyyourhomework.talkintheclasscheatintheexams1.主祈从现2020/10/288Completethesentenceswiththecorrectformofthewords.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’twaitlistenbuyRevision2020/10/289If

youfeelhungry,you

should

eatsomething.Ifyoufeeltired,you

must

havearest.2.主情从现2020/10/2810If

youareill,youshouldgotoseeadoctor.If

youareridingabikeinthestreet,you

must

beverycareful.2.主情从现2020/10/2811（主将从现）Ifitishot,wewillgoswimming.条件句表可能,主句多用将来时；2020/10/2812Playaguessinggame

WhatwillhappenifItouch(触摸)it?Ifyoutouch(碰）it,itwill______getangryWillit…?crydancesmile2020/10/2813IfI’mhungry,Iwill______________.IfI’mtired,Iwill_____________.eatsomefoodhavearest3.主将从现2020/10/2814IfI’mill,__________________.

IwillseeadoctorIfI’mlate,_________________.Iwillsaysorry3.主将从现2020/10/2815

Ifitrainstomorrow,I_____________________.willwatchTVathomeIfit_____________tomorrow,________________.I’llplaybasketballdoesn’trainIwon’t________________.playbasketball2020/10/2816if条件句不一般,几个要点记心间。条件句放在前,逗号要放句中间。条件句表可能,主句多用将来时；条件句表事实,主句常用现在时。if条件句有特点,现在时把将来替；这个规则要牢记!if条件句歌诀2020/10/2817从句主句，主句从句（一般现在时）（一般将来时）（一般现在时）（一般将来时）主将从现Ifyoudoit,youwillbehappy.You’llbehappyifyoudoit.2020/10/2818Whatwillyoudoifyou’rehappy?IfI’mhappy,Iwill____________.IfI’mhappy,Iwill____________.IfI’mhappy,Iwill____________.IfI’mhappy,Iwill______________.clapmyhandsstampmyfeetwinkmyeyesnodmyhead2020/10/28191.Ifitrainstomorrow,we_____visitthemuseum.Adon’tdoBwon’tgoCaren’tgoDdidn’tgo.2Willyougototheparkifit____fine?AwillbeBwasCisD/3.IfI____toomuchTV,mymotherwill_______.Awatch,angryBwatched,beangryCwatch,beangryDwillwatch,beangryBCC2020/10/28204Ifyou_____toschoollate,yourteacher_____angrywithyou.Acome;areBcome,willbeCwillcome;areDwillcome;willbe5Ifyou_____hard,youwill___successful.Awork,areBworks,isCtowork,beDwork,beBD2020/10/2821用括号内所给词的正确形式填空1.I’msureifhe_____(go)totheparty,he________(have)agreattime.2.Iftherain_______(stop)tonight,wewillgotothecinema.3.I’llbuyacomputerifI______(have)enoughmoney.goeswillhavestopshave2020/10/28224.You_______(notget)nervousifyou_____(do)enoughexercise.5.Ifshe____(be)kindtome,I__________(notargue)withher.6.Iwanttoknowifhe____(come)tomorrow,ifhe____(come),I____(give)themassagetohim.7.Ifyou__(pay)moreattentiontothat,he_____(notget)injured.won’tgetdoiswon’targuecomescomeswillgivepaywon’tget2020/10/28231.I’msureifhe_____(go)totheparty,he________(have)agreattime.2.Iftherain_______(stop)tonight,wewillgotothecinema.3.I’llbuyacomputerifI______(have)enoughmoney.4.You_________(notget)nervousifyou_____(do)enoughexercise.6.Iwanttoknowifhe_________(come)tomorrow,ifhe_______(come),I__________(give)themassagetohim.goeswillhavestopshavewon’tgetdocomeswillcomewillgive2020/10/2824Ifhe_______(feel)well,he_______(go)toworktomorrow.Ifmymother_______(have)time,she________(take)metothemuseum.Ifit__________(notrain)tomorrow,they__________(go)foranouting.Ifthey_________(be)free,they____________(play)afootballmatch.Ifit_________(rain),we________(notgo)out.Ifhe__________(notwork)hard,he_________(fail)intheexam.Ifhe_____________(nothave)time,he__________(notgo)tothemuseum.

feels

willgo

has

willtake

doesn’train

willgo

arewillplayrains

won’tgodoesn’twork

willfail

doesn’thave

won’tgo2020/10/2825Ifyoudon’tleavenow,youwillbelateforschoolUnlessyouleavenow,youwillbelateforschool.ifnot

unless2020/10/28261.Youimproveyourhandwriting/youwilllosemarksintheexam

Ifyoudon’timproveyourhandwriting,

Unlessyouimproveyourhandwriting,1.Youimproveyourhandwriting/youwilllosemarksintheexam

Ifyoudon’timproveyourhandwriting,

youwilllosemarksintheexam.2020/10/28272.youwillhavetoothache/youcleanyourteethIfyoudon’tcleanyourteeth,Unlessyoucleanyourteeth,youwillhavetoothache.2020/10/28283.thisroomwillgetveryhot/youputtheairconditioningonsoonIfyoudon’tputtheairconditioningonsoon,Unlessyouputtheairconditioningonsoon,thisroomwillgetveryhot.2020/10/28294.youkeepice-creaminafridge/itmeltsIfyoudon’tkeepice-creaminafridge,Unlessyoukeepice-creaminafridge,itmelts.2020/10/2830总结2020/10/28311、主现从现(条件句表事实)Ifyouheatit,snowturnsintowater.2、主将从祈Ifyouwanttogetgoodmarks,studyhard.3、主情（can,may,should,must）从现

Ifyoufeeltired,you

musthavearest.4、主将从现(条件句表可能)if…will/won’tIfitishot,wewillgoswimming.Ifyoudon’tcleanyourteeth,y