英語人教版八年級下冊Unit 5 Section A-4.ppt

Unit5Whatwereyoudoingwhentherainstormcame SectionAGrammarFocus 4c 八年級 下 大冶實驗中學(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)的時間狀語從句 1 延續(xù)性動詞和非延續(xù)性動詞延續(xù)性動詞指動作可以延續(xù)一段時間 而不是瞬間結(jié)束 如 work study drink eat等 非延續(xù)性動詞指動作極為短暫 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)的時間狀語從句 when表示 當 的時候 從句中既可用延續(xù)性動詞 又可用非延續(xù)性動詞 這些動詞既可以表示動作 又可表示狀態(tài) 從句中的動作既可以和主句的動作同時發(fā)生 又可在主句的動作之前或之后發(fā)生 e g MarywashavingdinnerwhenIsawher Theboywasstillsleepingwhenhismothergothomeyesterdaymorning while表示 在 的時候 在 期間 它強調(diào)主句的動作與從句的動作同時發(fā)生或主句的動作發(fā)生在從句的動作過程中 While從句中必須是表示動作或狀態(tài)的延續(xù)性動詞 e g TheweatherwasfinewhilewewereinBeijing ShecalledwhileIwasout 如果主句的動作在從句的動作過程中發(fā)生 從句常用進行時 e g Whilewewereswimmingsomeonestoleourclothes Don ttalksoloudwhileothersareworking 總結(jié) 1 when可指時間點 又可指時間段 從句中可用延續(xù)性動詞 也可用非延續(xù)性動詞 2 while總是指一個時間段 從句中必須用延續(xù)性動詞 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 過去進行時 1 概念 表示過去某一時刻或某段時間內(nèi)正進行的動作 2 構(gòu)成 was were 動詞現(xiàn)在分詞3 用法 a 表示某一時刻正進行的行為 與特定的過去時間狀語連用 常見的時間狀語有 at8lastnight atthistime atthattime atthatmoment等 e g Whatwereyoudoingat10yesterdaymorning Iwaswritingalettertomyfatheratthatmoment b 表示過去某段時間內(nèi)正進行的動作 e g Wewerebuildingahouselastwinter Theywerewaitingforyouyesterday 否定句和疑問句 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)音的動詞 直接加 ing see seeingbe being 2 以c結(jié)尾的動詞 變c為ck 再加 ing picnic picnickingtraffic trafficking 4 使用進行時態(tài)的注意事項 1 一些動詞 如see hear love like know remember understand have等表示感情 知覺和狀態(tài)的詞 一般不用于進行時態(tài) 2 在there和here引起的句子中 常用一般現(xiàn)在時代替現(xiàn)在進行時 e g Herecomesthebus Theregoesthebell 5 過去進行時和一般過去時的區(qū)別 1 過去進行時表示過去正在進行的動作 而一般過去時則表示一個完整的動作 e g Theywerewritingletterstotheirfriendslastnight 昨晚他們在寫信給他們的朋友 沒有說明信是否寫完 Theywroteletterstotheirfriendslastnight 他們昨晚寫了信給他們的朋友 表達了他們已寫好的意思 整個寫的過程已完成 2 當動作延續(xù)較長時間時或表示厭煩 贊美等感情色彩時 常用過去進行時表示 e g Hewasthinkingmoreofothersthanofhimself 他考慮別人的比考慮自己的多 表示說話者贊揚的口氣 Theboywasalwaysmakingtroublethen 那時 他總是惹麻煩 表示說話者厭煩的口氣 過去進行時 含義 表示過去某個時刻正在進行的動作 結(jié)構(gòu) was were doinge g IwashavinganEnglishclassatthistimeyesterday 現(xiàn)在進行時 含義 表示現(xiàn)在正在進行的動作 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 你在干什么 What you whentheclassbellrang 2 當我媽媽進來時我正在看書 I whenmymothercamein 3 昨天晚上十點鐘她正在做飯 She atteno clock were doing wasreading wascooking lastnight 4 當飛機起飛的時候 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 我女兒正在寫信時 其他的孩子都在外面玩耍 Mydaughterwaswritingaletter theotherchildren outside wereplaying while 1 昨天早上9點鐘你在干什么 2 不明飛行物起飛時 小明正在騎自行車 3 那時 他們正在做家庭作業(yè) Whatwereyoudoingat9o clockyesterdaymorning XiaoMingwasridinghisbikewhentheUFOtookoff Theyweredoingtheirhomeworkatthattime