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1、Unit5 Whatwereyoudoingwhen therainstormarrived?Period3SectionA4a-4cGrammarfocusWhatwereyoudoingwhentherainstormcame?Iwastakingashower.Iwassleeping.Iwascooking.Whatwereyoudoingwhentherainstormcame?Iwascuttinghair.Iwasreading.Whatwereyoudoingwhentherainstormcame?Iwaswatch
2、ingTV.Whatwereyoudoingateightlastnight?Iwastakingashower.Whatwasshedoingatthetimeoftherainstorm?Shewasdoingherhomework.讀下列句子,你能總結(jié)出句子中包含的語(yǔ)法嗎？1.以when和while引導(dǎo)的時(shí)間狀語(yǔ)從句1)延續(xù)性動(dòng)詞和非延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞指動(dòng)作可以延續(xù)一段時(shí)間,而不是瞬間結(jié)束。如:work、study、drink、eat等。非延續(xù)性動(dòng)詞指動(dòng)作極為短暫，瞬間結(jié)束。如:start、begin、hit、jump、kno
3、ck等。2)在本單元中,出現(xiàn)了以when和while引導(dǎo)的時(shí)間狀語(yǔ)從句。when表示“當(dāng)……的時(shí)候”。從句中既可用延續(xù)性動(dòng)詞,又可用非延續(xù)性動(dòng)詞,這些動(dòng)詞既可以表示動(dòng)作,又可表示狀態(tài)。從句中的動(dòng)作既可和主句的動(dòng)作同時(shí)發(fā)生,又可在主句的動(dòng)作之前或之后發(fā)生。如：MarywashavingdinnerwhenIsawher.Theboywasstillsleepingwhenhismothergothomeyesterdaymorning.while表示“在……的時(shí)候”、“在……期間”。它強(qiáng)調(diào)主句的動(dòng)作與從句的動(dòng)作同時(shí)發(fā)生或主句的動(dòng)作發(fā)生在
4、從句的動(dòng)作過(guò)程中。While從句中必須是表示動(dòng)作或狀態(tài)的延續(xù)性動(dòng)詞。如：TheweatherwasfinewhilewewereinBeijing.ShecalledwhileIwasout.如果主句的動(dòng)作在從句的動(dòng)作過(guò)程中發(fā)生，從句常用進(jìn)行時(shí)。如:Whilewewereswimmingsomeonestoleourclothes.Don’ttalksoloudwhileothersareworking.總結(jié)1)when可指時(shí)間點(diǎn),又可指時(shí)間段,從句中可用延續(xù)性動(dòng)詞,也可用非延續(xù)性動(dòng)詞。2)while總是指一個(gè)時(shí)間段,從句中必須用延續(xù)
5、性動(dòng)詞。過(guò)去進(jìn)行時(shí)含義:表示過(guò)去某個(gè)時(shí)刻正在進(jìn)行的動(dòng)作。結(jié)構(gòu)：was/were+doing例句：IwashavinganEnglishclassatthistimeyesterday.現(xiàn)在進(jìn)行時(shí)含義:表示現(xiàn)在正在進(jìn)行的動(dòng)作。結(jié)構(gòu)：is/am/are+doing例句：IamhavinganEnglishclass.6.Fillintheblankswithwas,were,whenorwhile.At7:00a.m.,Iwokeup.______I____makingmybreakfast,mybrother_____listening
6、totheradio._______Iwaseating,theradionewstalkedaboutacaraccidentnearourhome.MybrotherandIwentoutrightawaytohavealook._______wegottotheplaceoftheaccident,thecar______inbadshapefromhittingatree.Butluckily,thedriver______fine.Theroads______icybecauseoftheheavysnowfromtheni
7、ghtbefore.WhilewaswasWhileWhenwaswaswere4bWhatwereyoudoingatthesetimeslastSunday?Fillinthechart.Thenaskyourpartner.A:Whatwereyoudoingatnineo’clocklastSundaymorning?B:Iwassleeping.Howaboutyou?A:Iwasdoingmyhomework.B:You'rekidding!4cHomeworkWhatwereyoudoingatthesetimeslas
8、tSunday?Practicemorewithyourclassmates.
