八年级英语下册-Unit-5-What-were-you-doing-when-the-yainst

单元语法聚焦五第1页单元语法聚焦五语法点击过去进行时过去进行时表示过去某一时间点正在进行动作或过去某一段时间内一直进行动作。1．组成主语＋was/were＋__doing__＋其它．如：IwaswatchingTVat9o'clocklastnight.昨天晚上九点钟我在看电视。2．过去进行时标志词过去进行时标志词有at8o'clocklastnight,atthistimeyesterday,atthattime等。第2页单元语法聚焦五3．when和while区分(1)表示“当……时候”时，假如后面连接动词为延续性动词，则多用while，而when通常与短暂性动词连用；当后面句子表示一个状态时，二者能够交换。如：WhileIwasbuyinganewspaper,mydogranaway.＝Iwasbuyinganewspaperwhenmydogranaway.在我买报纸时候，我狗跑开了。Iwasveryshortwhen/whileIwasinprimaryschool.我上小课时，个子很矮。第3页单元语法聚焦五(2)假如while前后句子都是进行时态(包含现在进行时和过去进行时),while可译为“与此同时”。如：Iwassleepingwhilemymotherwascookingbreakfast.我妈妈做早餐时我在睡觉。(3)当while前后句子描述情况相对或相反时，while可译为“而”，while更强调并列对比而非转折。如：IlikeChinesefoodwhileshelikesFrenchfood.我喜欢中餐，而她喜欢法式餐。第4页单元语法聚焦五(4)当when引导带有短暂性动词从句与进行时态主句连用时，when有时候能够依据情况译为“突然，就在这时”。如：Iwassleepingwhenthedooropened.我正在睡觉，突然门开了。第5页单元语法聚焦五实战演练Ⅰ.用所给词适当形式填空1．Myfather______still__________(sleep)whenI_______(get)upyesterdaymorning.2．Mygrandma______________(cook)breakfastwhileI_________________(wash)myfacethismorning.3．Mymother___________________(sweep)thefloorwhenI____________(leave)home.4．Thestudents_____________(have)abiologyclasswhenthevisitors_________(come)．wassleepinggotwascookingwaswashingwassweepingleftwerehavingcame第6页单元语法聚焦五5．Thedriver______________(drive)homewhenit__________(rain)lastnight.6．SomestudentsfromClassFour_______________(play)basketballwhenI______(see)themintheplayground.7．DoctorLiuwasondutylastnight.He_______still__________________(work)inthehospitalat10o'clocklastnight.8．Thestreetseller____________________(sell)clotheswhenhe_______________(find)apurseontheground.wasdrivingrainedwereplayingsawwasworkingwassellingfound第7页单元语法聚焦五9．Mr.Wangspendsalotoftimewritinghisnoveleveryday.He_______still______________(write)atmidnightlastnight.10．I____________(read)ahistorybookwhensomeone______________(knock)atthedoor.waswritingwasreadingknocked第8页单元语法聚焦五Ⅱ.用when或while填空1．_________Tomwaseatingsupper,itbegantorainoutside.2．Don'tuseyourcellphone___________youaredrivingacar.3．Whatwereyoudoing_________Mr.Zhoucamein?4．Jimisgoodatmath___________MaryisgoodatEnglish.5．WewerewatchingTV_______theelectricitywasoff.WhileWhilewhenWhilewhen第9页单元语法聚焦五6．________Peterwassleeping,athiefbrokeintohishouse.7．Itwassnowing_________wearrivedinTokyo.8．Sheleftherhometown________shewasfive.9．Iwasst