八年级英语新目标下 Unit 5 “if条件状语从句”复习课件

——“if条件状语从句”复习课(AdverbialClauseofCondition)May12thisanordinarydayin2008.ItisthisdaythatashockingearthquakehappenedinSichuanProvince,China.TheearthquakedestroyednearlyeverythinginWenchuan.Whatwillhappenifthereisanearthquake?Whatshouldwedotoprotectourselvesifanearthquakehappens?Whatwillhappenifanearthquakehappens?Ifanearthquakehappens,……falldownbedestroyedbe/getinjureddielosetheirlivesIfanearthquakehappens,manybuildingswillfalldown.Ifanearthquakehappens,manybridgeswillbedestroyed.Ifthereisanearthquake,manypeoplewillgetinjured.Ifthereisanearthquake,manypeoplewilllosetheirlives.Ifanearthquakehappens,……Ifyoumeetadisasteroranaccident,doyouknowwhattodo?Whatwillhappenifanearthquakehappens?Ifanearthquakehappens,……Ifadisasteroranaccidenthappens,howcanweprotectourselves?AdverbialClauseofConditionif引导的条件状语从句[句式结构及时态]：Ifanearthquakehappens,manybuildingswillfalldown.Ifafirehappens,don’tbenervous.Ifacaraccidenthappenstoyou,whatshouldyoudo?从句:从句：一般现在时从句：一般现在时主句：主句：祈使句主句：含情态动词can/could/must/should等一般现在时一般将来时(will)Revision[句式结构]：[时态]:祈使句一般将来时(will)一般现在时,情态动词(can/must/should/…)SummaryIf从句，+主句./主句+从句例句：如果明天不下雨，我们将去露营。Ifitdoesn’traintomorrow,we’llgocamping.如果你想取得好成绩，你必须更努力学习。Ifyouwanttogetgoodgrades,youmuststudyharder.如果发生火灾，请打110。Ifafirehappens,pleasecall110.[考点注意]：if的两个不同用法:“是否”；“如果”Canyoutellmeifhe_________(come)tomorrow?Ifhe________(come)tomorrow,givethemessagetohim.willcomecomesGrammarExercises一、选择正确的动词形式：1.IfaUFO(willland/land/lands)infrontofme,I(willgo/go/goes)intolookforthealien.2.Ifit(won’t/doesn’t/isn’t)rainy,we(willtake/take)walkoutside.3.Don’twaitformeifI(am/willbe/was)late.4.He(willbuild/build/builds)asciencelab,ifhehasmoney.5.(Will/Do/Does)hevisitthemuseumifhe(won’t/don’t/doesn’t)gettired?6.Ifyou(are/were/willbe)inthestreetwhentheearthquakehappens,squat(蹲)downand(keep/willkeep/shouldkeep)offthetallbuilding.7.Ifyou(find/found)thegasleaksout,(open/opening)thewindowsassoonaspossible.8.Ifthere(willbe/was/is)afire,thehouse(willbe/was/is)beinruins(化为废墟).二、用括号内所给词的正确形式填空：1.Ifhedoesn’tgototheparty,I_______,either.2.Ifshe______(be)kindtome,I___________(notargue)withher.3.Iwanttoknowifhe_________(come)tomorrow,ifhe_______(come),Iwillgivethemessagetohim.won’tiswon’targuewillcomecomes4.Where____he______(see)thefilmifhe_________(have)time?5.Ifthere_______(be)fewertrees,there__________(be)morepollution.6.Ifanearthquake__________(happen)inShantou,canyouimaginewhat___________(happen)?7.Ifyou_______(have)acaraccident,youshouldcallyourparentsoryourfriends.8.Ifyou_____(stay)athomealone,what_____you_____(do)?willseehasarewillbehappenswillhappenhavestaywilldo三、将两个句子合并为条件状语从句。1.Itwillraintomorrow.Wecan’tgototheparty.___________________________________________2.Wecan’tgototheparty.Wewillstayathome.___________________________________________3.Wewillstayathome.Cometomyhouse.___________________________________________4.Cometomyhouse.Wewillhaveagoodtime.___________________________________________5.Wewillhaveagoodtime.Wewillbehappy.___________________________________________6.Wewillbehappy.Wewillcleanthehouse.___________________________________________Ifitrainstomorrow,wecan’tgototheparty.Ifwecan’tgototheparty,wewillstayathome.Ifwestayathome,cometomyhouse.Ifyoucometomyhouse,wewillhaveagoodtime.Ifwehaveagoodtime,wewillbehappy.Ifwearehappy,wewillcleanthehouse.GameRulesTopic1:IfIamhappy,……A:IfIamhappy,Iwillgoshopping.B:IfIgoshopping,Icanbuysomeclothes.C:IfIcanbuysomeclothes,Iwillspendmuchmoney.D:IfIspendmuchmoney,……E:…..【比一比】：一分钟内，根据所给话题，看哪一组同学接出的条件状语从句最多。每个话题至少接3句。【注意】在句子接龙时，主句与从句变换时，要注意从句时态的变换，从句用一般现在时。Ifitissunnytomorrow,……Ifyoualwaystelllies,…Ifyoudon’tstudyhard,……IfIhavemuchmoney,……Ifwedon’tcareforanimals,Ifmyhouseisonfire,……IfIamateacher,……IfanearthquakehappensinShantou,……IfIfailtheexam,……IfyouseeaUFO,……IfIstayathomealone,……IfIarguewithmyfriend,......Ifsomeoneaskyouforhelp,….IfIhaveachancetogotoBeijing,…..Ifwehavenowater,……IfIamsad,……Iftomorrowisyourmother’sbirthday,……Ifyouhavea10-dayholiday,……Ifyourparentscan’tunderstandyou,……IfyoumeetJayChouinthestreet,……IfIseeathiefinastore,……Ifyourfrienddoesn’treturnyourbooktoyou,……Ifyouaresad,……Group1Group2Group3Group4Makeahand-writtennewspaperaboutsafetyeducation.SafetyEducationEarthquakeWhatshouldwedoifanearthquakehappens?GasIfyoufindthegasleaksout,……CarAccidentIfyouhaveacaraccident,……FireIfthereisafire,whatshouldwedo?DiscussionIfanearthquakehappens,whatshouldwedo?[KeyWords]:nervous;runoutof…;jumpdownfrom…;hide(躲藏)under/beside….；kitchen;washroom;protect(保护);keepawayfrom/keepoff;leaveinorder;…Ifanearthquakehappens,don’tbenervous.Trytorunoutofthehouseifpossible.Ifyouareinthebuilding,don’tjumpdownfromthebuilding.Youcanhideunderthetableifanearthquakehappens.Youcanalsohideinthekitchenorinthewashroomifanearthquakehappens.Ifyouareintheclassroom,hideunderthedeskandprotectyourheadwithyourbag.Ifyouareinthestreet,remembertokeepoffthetallbuilding.Iftheearthquakestops,leaveinorder.Ifanearthquakehappens,whatshouldwedo?EarthquakeWhatshouldwedoifanearthquakeHappens?GasIfyoufindthegasleaksout,……CarAccidentIfy