Module6ProblemsUnit3課件外研版英語(yǔ)九年級(jí)上冊(cè)

1.IfI______(start)afterdinner,I_________(finish)itbeforeIgotobed.2.Ifyou______(do)alltheseotherthingsinsteadofyourhomework,you__________(nothave)timetostudy.3.Hethinkssomething________(go)wrongifI________(play)gamesonit.4.Ifyou________(start)now,you__________(finish)itbeforedinner.5.Ifyou_______(work)harder,you_________(do)betternexttime.6.Ifyou________(tell)himthetruthnow,he_________(be)angrywithyou.startwillfinishdowon’thave

willgoplaystartwillfinishworkwilldotellwillbeObservethetextIf引導(dǎo)的______________表達(dá)某種假設(shè)：從句如果用____________，主句的謂語(yǔ)動(dòng)詞多用___________。條件狀語(yǔ)從句一般現(xiàn)在時(shí)一般將來(lái)時(shí)If引導(dǎo)的條件狀語(yǔ)從句表示某種假設(shè)IfIwinalotofmoney,Iwillbuyyouaminkcoat.if從句主句表示某種假設(shè)的情況表示此種情況所導(dǎo)致的結(jié)果一般現(xiàn)在時(shí)一般將來(lái)時(shí)Ifthesoildriesout,theplantsmaydie.主句情態(tài)動(dòng)詞+動(dòng)詞原形if從句一般現(xiàn)在時(shí)1.從句表示某種假設(shè)的情況，主句表示此種情況所導(dǎo)致的結(jié)果。2.從句如果用一般現(xiàn)在時(shí)，主句的謂語(yǔ)動(dòng)詞多用一般將來(lái)時(shí)或“情態(tài)動(dòng)詞+動(dòng)詞原形”。在含有if引導(dǎo)的條件狀語(yǔ)從句的復(fù)合句中，如果從句的主語(yǔ)為you，該復(fù)合句可轉(zhuǎn)換為:肯定句用：祈使句+and+簡(jiǎn)單句

，否定句用祈使句

+or+簡(jiǎn)單句。1)Youwillgetbettermarksifyouworkharder.=Workharder

andyou’llgetbettermarks.2)Ifyoudon’tputthemeatinthefridge,itwillgobad.=Putthemeatinthefridge,orit

willgobad.Note1有時(shí)，if引導(dǎo)的條件狀語(yǔ)從句可以與

with或without引起的介詞短語(yǔ)互換使用。1)IfLindahelpsme,Icanfinishthereportsoon.=WithLinda’shelp,Icanfinishthereportsoon.2)Ifthere’snowater,fishmaydie.=Fishmaydiewithoutwater.Note2if還有“是否”之意，引導(dǎo)賓語(yǔ)從句。在具體使用中，我們要注意區(qū)分if引導(dǎo)的是賓語(yǔ)從句還是條件狀語(yǔ)從句。如果Note3是否If引導(dǎo)的條件狀語(yǔ)從句：結(jié)構(gòu)用途含義例句if從句+祈使句表達(dá)建議如果……就……Ifyoudon’tfeelwell,pleasegotoseethedoctor.if從句+主句表達(dá)某種假設(shè)如果……就……Ifhedoesn’tworkhard,he’llfailhisexams.以下部分為課本練習(xí)，供老師在對(duì)答案時(shí)選擇使用。Listeninclass,oryouwillnotunderstandwhattodo.Rewritethesentenceswith

if.(P46)Ifyoudonotlisteninclass,youwillnotunderstandwhattodo.Ifyoudon’teatsomebreakfast,youwillgethungryatschool.1.Eatsomebreakfast,oryou’llgethungryatschool.Youwillgethungryatschoolifyoudon’teatsomebreakfast.12.Hurryup!Youwillbelate!3.Readthebookcarefully.Thenyouwillnotmakemistakes.4.Don’twatchtoomuchTV,oryoureyeswillhurt.5.Workharder!Youwillgetbettermarks.

Ifyoudon’thurryup,youwillbelate.Ifyoureadthebookcarefully,youwillnotmakemistakes.IfyouwatchtoomuchTV,youreyeswillhurt.Ifyouworkharder,youwillgetbettermarks.Youwillbelateifyoudon’thurryup.Youwillnotmakemistakesifyoureadthebookcarefully.YoureyeswillhurtifyouwatchtoomuchTV.Youwillgetbettermarksifyouworkharder.Thinkofthreeproblemsyouhaveinyourschoolwork.MakenotesaboutthemintheProblemboxes.(P46)SchoolworkProblemAdviceNowworkinpairs.Talkaboutyourproblemsandgiveadvicetoeachother.Completethetable.—Ican’tspeakEnglishwell.—Ifyoupractisemoreoutsidetheclassroom,youwillmakeprogress.2Completethesentencessothattheyaretrueforyou.(P46)1Iwillbereallyhappyif_______________.2IwilldowellinEnglishif_____________________________.3.Myparentswillbeangryif_________________________.4IfitrainsnextSaturday,I___________________________________.IpassallmyexamsIpractisealotathomeIdon’tfindmymobilephonewillstayathomeandwatchafilmonTV3honestpocketmoneyproblemrefuserepairterribletruthwearrepairtruthhonest

pocketmoneyproblemrefusedworeterribleCompletetheconversationwiththecorrectformofthewordsandexpressioninthebox.(P47)4wear-wore-wornCompletethepassageswiththecorrectformoftheexpressionsinthebox.(P47)attheendofbeangrywithbeproudoflistento5

areangrywithamproudoflistentoattheendofReadtheproblemsandgiveyouradvice.(P48)ACBDon’tcareabouttheresulttoomuch.Themostimportantthingisthatyouattenditanddoyourbest.YoushouldhaveatalkwithLindaandletherknowthatthereisnobiggerpart,butbetteractor.Weshouldtrytobebetteractors.

YoushouldhelpPetertounderstandtheworkandpersuadehimtodoitbyhimself.6Listentotheconversationandanswerthequestions.(P48)1Whatisthegirl’sproblem?2Isitacommonproblemamongteenagers?3Whatdoesthedoctoradvisethegirltodo?4Whatdoesthedoctoradvisethegirlnottodo?Shefindsitdifficulttogettosleepatnight.Yes,itis.Thedoctoradvisesthegirltotakeenoughexercise,eathealthyfoodandfindwaystorelaxbeforeshegoestobed.Thedoctoradvisesthegirlnottoeattoomuchsugar,watchTVorplayonthecomputerbeforeshegoestobed.7Self-evaluationCanyouuseofthe

if-clausecorrectly?各個(gè)擊破k直擊中考

1.–Thankyoufortellingmesomuchknowledgeaboutnature.–Don’tmentionit.______youhavemorequestions,cometomeanytime.

【2018四川樂(lè)山】A.IfB.BecauseC.Though2.YoucansurftheInternet_____youwanttoknowabout2020WorldMiddleSchoolGames.

【2018福建】A.untilB.afterC.ifⅠ.用if改寫(xiě)下列句子。1.Itwillrainthisafternoon.Iwillnotflyakite._________________________________________2.Keepworkinghardandyouwillsucceed._________________________________________3.Hurryup,oryouwillmissthebeginningofthefilm._________________________________________4.Mybrotherwon'tvisitthesciencemuseum.Iwon't,either._________________________________________Ifitrainsthisafternoon,Iwillnotflyakite.Ifyoukeepworkinghard,youwillsucceed.

Ifyoudon'thurryup,youwillmissthebeginningofthefilm.

Ifmybrotherdoesn'tvisitthesciencemuseum,Iwon't,either.Ⅱ.同義句轉(zhuǎn)換（每空一詞）。1.It'