英語(yǔ)人教版八年級(jí)下冊(cè)Unit 5 Section A-4.ppt

Unit5Whatwereyoudoingwhentherainstormcame SectionAGrammarFocus 4c 八年級(jí) 下 大冶實(shí)驗(yàn)中學(xué)熊雪梨 Objectives Tolearnthepastcontinuoustense Letthestudentslearnandtellthedifferencebetweenwhileandwhen Revision Fillintheblankswith be 1 I 16yearsoldthisyear 2 I 15yearsoldlastyear 3 How theweathertoday 4 How theweatheryesterday 5 They goodfriends 6 They goodfriendsthreeyearsago am was is was are were grow grew mean meant tell told take took run ran fall fell hear heard buy bought 一般式 過(guò)去式 fly flew think thought get got ring rang become became make made eat ate cut cut go went leave left sleep slept shop shopped GrammarFocus 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 knock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)作既可以和主句的動(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 e g 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 e g 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) e g 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)性動(dòng)詞 1 Jenniferwasreadingamagazine hersisterwaslisteningtothepopmusic A WhileB WhenC Whattime2 Iwastryingtodrawacatontheboard theteachercamein A whileB whenC whattime3 MybestfriendvisitedmyhousewhileI dinnerinthekitchen A cookedB cookingC wascooking 練一練 A B C 4 When thecar In1885 A did inventB was inventedC does inventD is invented5 Ourteacherwantsustobe whenwetalkwiththeforeigners A comfortableB unusualC gratefulD confident B D 6 DickgavemeanotewhileI inthelibrary Iguesshemadeittosay sorry toyou A amreadingB wasreadingC readsD willread B 2 過(guò)去進(jìn)行時(shí) 1 概念 表示過(guò)去某一時(shí)刻或某段時(shí)間內(nèi)正進(jìn)行的動(dòng)作 2 構(gòu)成 was were 動(dòng)詞現(xiàn)在分詞3 用法 a 表示某一時(shí)刻正進(jìn)行的行為 與特定的過(guò)去時(shí)間狀語(yǔ)連用 常見(jiàn)的時(shí)間狀語(yǔ)有 at8lastnight atthistime atthattime atthatmoment等 e g Whatwereyoudoingat10yesterdaymorning Iwaswritingalettertomyfatheratthatmoment b 表示過(guò)去某段時(shí)間內(nèi)正進(jìn)行的動(dòng)作 e g Wewerebuildingahouselastwinter Theywerewaitingforyouyesterday 否定句和疑問(wèn)句 e g Wewerenotsleepingathome Washefeelingwell 3 現(xiàn)在分詞的構(gòu)成 注意 1 以元音字母加e結(jié)尾 或以e結(jié)尾 且e發(fā)音的動(dòng)詞 直接加 ing see seeingbe being 2 以c結(jié)尾的動(dòng)詞 變c為ck 再加 ing picnic picnickingtraffic trafficking 4 使用進(jìn)行時(shí)態(tài)的注意事項(xiàng) 1 一些動(dòng)詞 如see hear love like know remember understand have等表示感情 知覺(jué)和狀態(tài)的詞 一般不用于進(jìn)行時(shí)態(tài) 2 在there和here引起的句子中 常用一般現(xiàn)在時(shí)代替現(xiàn)在進(jìn)行時(shí) e g Herecomesthebus Theregoesthebell 5 過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別 1 過(guò)去進(jìn)行時(shí)表示過(guò)去正在進(jìn)行的動(dòng)作 而一般過(guò)去時(shí)則表示一個(gè)完整的動(dòng)作 e g Theywerewritingletterstotheirfriendslastnight 昨晚他們?cè)趯?xiě)信給他們的朋友 沒(méi)有說(shuō)明信是否寫(xiě)完 Theywroteletterstotheirfriendslastnight 他們昨晚寫(xiě)了信給他們的朋友 表達(dá)了他們已寫(xiě)好的意思 整個(gè)寫(xiě)的過(guò)程已完成 2 當(dāng)動(dòng)作延續(xù)較長(zhǎng)時(shí)間時(shí)或表示厭煩 贊美等感情色彩時(shí) 常用過(guò)去進(jìn)行時(shí)表示 e g Hewasthinkingmoreofothersthanofhimself 他考慮別人的比考慮自己的多 表示說(shuō)話(huà)者贊揚(yáng)的口氣 Theboywasalwaysmakingtroublethen 那時(shí) 他總是惹麻煩 表示說(shuō)話(huà)者厭煩的口氣 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 doinge g 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 doinge g IamhavinganEnglishclassnow 6 4aLookatthetableandwritesentenceswithbothwhileandwhen e g WhileJohnwastakingphotos Maryboughtadrink JohnwastakingphotoswhenMaryboughtadrink WhileJohnwasplayingthepiano Maryleftthehouse JohnwasplayingthepianowhenMaryleftthehouse WhileJohnwasshopping Marytookthecartothecarwash JohnwasshoppingwhenMarytookthecartothecarwash WhileJohnwascleaninghisroom Maryturnedontheradio JohnwascleaninghisroomwhenMaryturnedontheradio 4bFillintheblankswithwas were whenorwhile At7 00a m Iwokeup I makingmybreakfast mybrother listeningtotheradio Iwaseating theradionewstalkedaboutacaraccidentnearourhome MybrotherandIwentoutrightawaytohavealook wegottotheplaceoftheaccident thecar inbadshapefromhittingatree Butluckily thedriver fine Theroads icybecauseoftheheavysnowfromthenightbefore While was was While When was was were 4cWhatwereyoudoingatthesetimeslastSunday Fillinthechart Thenaskyourpartner A Whatwereyoudoingatnineo clocklastSundaymorning B Iwassleeping Howaboutyou A Iwasdoingmyhomework B You rekidding Groupwork Whatwereyoudoingat lastSunday A Whatwereyoudoingatnineo clocklastSunday B Iwasrunning Howaboutyou A Iwasreading B You rekidding kidv 欺騙 戲弄 開(kāi)玩笑 What be you do whenhearrived 2 Jim sleep whenIcamein 3 They watch TVat8 00yesterdayevening 4 Nowhe read and write were doing wassleeping werewatching isreading writing 一 用所給詞的正確形式填空 5 Mother wash clotheswhenI get homefromschoolyesterdayafternoon 6 Look mysister be thereinthebarber sshop Thebarber cut herhair 7 When you see theaccident I see itfifteenminutesago waswashing got is iscutting did see saw 二 翻譯句子 1 上課鈴響時(shí) 你在干什么 What you whentheclassbellrang 2 當(dāng)我媽媽進(jìn)來(lái)時(shí)我正在看書(shū) I whenmymothercamein 3 昨天晚上十點(diǎn)鐘她正在做飯 She atteno clock were doing wasreading wascooking lastnight 4 當(dāng)飛機(jī)起飛的時(shí)候 天正下著大雪 It heavilywhentheplane 5 瞧 孩子們正在追逐一只小貓 Look Thechildren asmallcat tookoff wassnowing arechasingafter 6 我女兒正在寫(xiě)信時(shí) 其他的孩子都在外面玩耍 Mydaughterwaswritingaletter theotherchildren outside wereplaying while 1 昨天早上9點(diǎn)鐘你在干什么 2 不明飛行物起飛時(shí) 小明正在騎自行車(chē) 3 那時(shí) 他們正在做家庭作業(yè) Whatwereyoudoingat9o clockyesterdaymorning XiaoMingwasridinghisbikewhentheUFOtookoff Theyweredoingtheirhomeworkatthattime