Unit8語(yǔ)法講義牛津深圳版七年級(jí)下冊(cè)英語(yǔ)

七（下）U8◆【語(yǔ)法部分】時(shí)間狀語(yǔ)從句時(shí)間狀語(yǔ)從句時(shí)間狀語(yǔ)從句用于說(shuō)明主句動(dòng)作發(fā)生或進(jìn)行的時(shí)間。時(shí)間狀語(yǔ)從句位于主句之前時(shí)，要用逗號(hào)將從句和主句隔開(kāi)；位于主句之后時(shí)，則不需要用逗號(hào)。【由when引導(dǎo)的時(shí)間狀語(yǔ)從句的意義和時(shí)態(tài)】意義表示從句的動(dòng)作與主句的動(dòng)作同時(shí)發(fā)生。時(shí)態(tài)當(dāng)表示現(xiàn)在的時(shí)候，主句和從句同用現(xiàn)在時(shí)態(tài)；當(dāng)表示過(guò)去的時(shí)候，主句和從句同用過(guò)去時(shí)態(tài)；當(dāng)表示將來(lái)的時(shí)候，主句用一般將來(lái)時(shí)，從句用一般現(xiàn)在時(shí)表將來(lái)。如：Whenthebellrings,herushesoutoftheclassroom.Whenthebellrang,herushedoutoftheclassroom.Hewillrushoutoftheclassroomwhenthebellrings.當(dāng)鈴聲響起時(shí)，他就會(huì)沖出教室。（從句用一般現(xiàn)在時(shí)表示將來(lái)發(fā)生的動(dòng)作“ring”）拓展時(shí)間狀語(yǔ)從句的引導(dǎo)詞除了when之外，常用的還有：before在.....之前；after在......之后；while當(dāng)....時(shí)；assoonas一.....就......；until直到；since自從；once一旦；as隨著。如：IlockthedoorbeforeIleavehome.Whileheissleeping,sheisrunning.Jimranawayassoonashesawthepolice.Onceyoutrythedish,youwillneverforgetthetaste.Astimegoesby,Joyceknowsshewaswrong.【鞏固練習(xí)】選擇最佳答案：________,youdecidetodosomething,youshouldn’tgiveupeasily.A.OnceB.ThoughC.AndD.BeforeIwastakingashower_______thephonerang.A.whyB.whereC.whenD.whatWillyoucallme_________youfindmycat?A.becauseB.assoonasC.thoughD.thenI________themanagerthereportwhenhe________back.A.willgive,willeB.give,esC.willgive,esD.give,willeTom________awayquietlywhennoonewaslooking.A.walkedB.iswalkingC.walkD.walks【usedto/didnotuseto】usedtodosth意思為“過(guò)去常常做某事”，表示過(guò)去經(jīng)常發(fā)生的動(dòng)作或存在的狀態(tài)，而現(xiàn)在此動(dòng)作已不再發(fā)生或此狀態(tài)不存在。這個(gè)結(jié)構(gòu)含有今昔對(duì)比之意。其否定式為didnot/didn’tusedtodosth;其疑問(wèn)式為did...usetodosth.如：Heusedtoswiminthisriverwhenhewasyoung.Wedidn’tusetolivehere.Wheredidyouusetobuyclothes?【鞏固練習(xí)】根據(jù)題目要求完成下列句子。Alexusedtogoswimming.（改為疑問(wèn)句）__________Alex___________________goswimming?Mikeusedtoplaybasketball.（改為否定句）Mike________________________________playbasketball.Harryusedtobeverythin.（就劃線(xiàn)部分提問(wèn)）What________Harry___________________belike?【強(qiáng)化練習(xí)】選擇最佳答案_________shesatdown,itstartedtosnow.A.ThoughB.BecauseC.WhenD.WhyItsuddenly_______whenwewerehavingapicnic.A.wasrainingB.rainedC.rainsD.willrainJackismakingasnowmaninChinawhileKelly________inAustralia.A.wasswimmingB.swamC.willswimD.isswimmingWhenmymothergoesshopping,she_______herclothbag（布袋）.A.willtakeB.takeC.tookD.istakingTheshyboystoppedtalking________hesawme.A.soB.butC.assoonasD.then根據(jù)題目要求，改寫(xiě)下列句子。1.Alanusedtoenjoyplayingchess.（改為一般疑問(wèn)句）______________________________________________________Iusedtogotoschoolbyunderground.（改為否定句）______________________________________________________Mygrandmausedtodrawpictures（就劃線(xiàn)部分提問(wèn)）______________________________________________________將下列句子翻譯成英文。1.我上學(xué)時(shí)總是看到這只貓。_______________________________________________________2.昨天下雨時(shí)，約翰待在家里。_______________________________________________________3.當(dāng)你取得進(jìn)步時(shí)，我會(huì)給你買(mǎi)一輛自行車(chē)。_______________________________________________________四、選擇最佳答案：_______mygrandpawas13yearsold,hemovedtoGuangdongProvincewithhisparents.A.WhenB.OnceC.WhereD.WhatWhenmymumcamein,I_______myhomework.A.didB.wasdoingC.haddoneD.willdo______he_____flykiteswithyou?A.Did,usedtoB.Had,usedtoC.Was,usetoD.Did,useto五、圈出下列句子中的錯(cuò)誤，并在橫線(xiàn)上改正。IbuyanewnotebookwhenIwentshoppingthismorning.________________________________________________________________Shedidn’tusedtogoswimmingatweekends.________________________________________________________________Mydadusedtobuyingnewspapersint