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she was talking on the telephone , Davy met another dog outside the the police were ing , Linda walked around the station and called Davy39。 this unit , we39。如。如:Mary was having dinner when I saw boy was still sleeping when his mother got home yesterday morning. while表示“在……的時候”、“在……期間”。2)在本單元中,出現(xiàn)了以when和while引導(dǎo)的時間狀語從句。(表示說話者厭煩的口氣)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。(表達(dá)了他們已寫好的意思,整個寫的過程已完成。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(jìn)行時。如carrying、playing、studying。1)一般動詞在詞尾加ing,讀[iη],如go→going。用法:1)過去進(jìn)行時表現(xiàn)過去某一時刻正在進(jìn)行的動作。s(理發(fā)店)barber shop 理發(fā)店 shower(淋浴)police officer(警官)(另一個)jump down(跳下來)go up(向上去)in front of(在……前面)(五)重點、難點分析:表示在過去某一時間內(nèi)正在進(jìn)行的動作。(二)語言結(jié)構(gòu)(Structures): “was / were + doing”結(jié)構(gòu)Questions and statements with past clauses with when and 、while引導(dǎo)的時間狀語從句(Past tense)(三)目標(biāo)語言(Target Language) were you doing when the UFO arrived ? I was sitting in the barber39。資料貫穿整個單元,方便教師備課、學(xué)生學(xué)習(xí)、復(fù)習(xí)。:Hello , boys and 39。s ,你正在做什么?我正坐在理發(fā)店的椅子上。構(gòu)成:was / were + 現(xiàn)在分詞(其中was是am、is的過去式,were是are的過去式))I was doing my homework ,我正在做作業(yè)。 was writing a letter when I came ,她正在寫封信。2)以不發(fā)音字母e結(jié)尾的動詞,先去掉e,再加ing。5)以字母ie結(jié)尾的動詞,變ie為y,再加ing。 es the goes the 1)過去進(jìn)行時表示過去正在進(jìn)行的動作,而一般過去時則表示一個完整的動作。)2)當(dāng)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(jìn)行時表示。如:work、study、drink、eat等。when表示“當(dāng)……的時候”。它強(qiáng)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 we were swimming someone stole our 39。ll learn how to tell a 39。s didn39。A boy地點:at the train station時間:last SaturdayLinda loves her dog ,表明了一種持續(xù)的狀態(tài),用一般現(xiàn)在時。,如First , then , next , Finally , at the same time(與此同時), after that(從那以后)恰當(dāng)?shù)剡\用這些連接詞,能夠使文章流暢,通順,增色不少。:Unidentified Flying Object 不明飛行物1947年6月24日,一名叫做阿諾德的美國商人,架著一架小型飛機(jī)在華盛頓州上空,發(fā)現(xiàn)一組巨型不明飛行物以1000公里左右的速度,同他一起在空中翱翔。clock in the ,在早晨 in the morning在下午 in the afternoon在晚上 in the evening在十點鐘左右 at around ten o39。 on the phone 通過電話談話注意:這里要用介詞on out of the shower 洗完澡出來get out of the UFO 從UFO中出來get out 出來 was walking down the street when a UFO landed right in front of ,我正在街上走。t want to surprise 。t think about looking outside the 。at the doctor39。讓學(xué)生在一個輕松快樂的環(huán)境中很好的掌握好此時態(tài)是我的目標(biāo)。在復(fù)習(xí)現(xiàn)在進(jìn)行時用法的同時,慢慢導(dǎo)出今天的語法。這種師生的雙向提問加強(qiáng)了師生間的課堂互動,使師生關(guān)系更加和諧和融洽。因前段時間剛學(xué)習(xí)過現(xiàn)在進(jìn)行時,且這兩種師太有許多相似之處,于是通過復(fù)習(xí)現(xiàn)在進(jìn)行時,與今天要學(xué)的過去進(jìn)行時進(jìn)行對比學(xué)習(xí),引導(dǎo)學(xué)生自己推出過去進(jìn)行時的肯定、否定和疑問形式。然后用Lucy在上周不同時間干的事情,用二人小組練習(xí),涵蓋了第三人稱,否定形式,一般疑問形式和回答?!驹O(shè)計說明】這個環(huán)節(jié),對學(xué)生用英語表述、分配任務(wù)、推斷案情的要求極高。句子如下: was playing basketball yesterday was swimming in the father was repairing the mother and I were reading friends was watching the match on children was leaning of them was playing table homeroom teacher was sitting in the am looking at the Lily nor her parents were listening to the 準(zhǔn)備10個卡片,每張卡片上寫上“I was doing sth.”即每個卡片上有一個動作,比如打掃教室,騎自行車,做飯等等。通過b游戲一方面可以使學(xué)生們更熟練的運用過去進(jìn)行時的三種形式,另一方面也可以激發(fā)學(xué)生學(xué)習(xí)和思考的興趣,讓課堂氣氛在學(xué)生們有趣、逼真的動作表演中達(dá)到高潮。引入部分和環(huán)環(huán)相扣的游戲環(huán)節(jié)讓學(xué)生在短時間里產(chǎn)生了學(xué)習(xí)的積極性和求知欲。筆頭練習(xí)一、寫出下列動詞的現(xiàn)在分詞:play________ run__________ swim _________make__________ go_________ like________ write________ ski___________ read________ have_________ sing ________ dance_________ put_________ see________ buy _________ love____________ live_______ take_________ e ________ get_________ stop________ sit ________ begin________ shop___________二、用所給的動詞的正確形式填空: 1.John_______(work)all day .He _______(walk)home when the(rian). —What______you _______(do)at ten o39。 Tony said,39。如何使用過去進(jìn)行時是本單元的重點內(nèi)容。學(xué)生對現(xiàn)在進(jìn)行時已經(jīng)比較熟悉,過去進(jìn)行時的結(jié)構(gòu)和用法與之較為相似。:讓學(xué)生做課堂的主人,培養(yǎng)他們掌握一些行之有效的學(xué)習(xí)方法,優(yōu)化學(xué)習(xí)效果。讓學(xué)生自行觀察四個典型句子,通過師友、小組合作形式討論歸納出現(xiàn)在進(jìn)行時的用法,增強(qiáng)學(xué)生歸納,總結(jié)問題的能力,通過對舊知識的鞏固復(fù)習(xí),形成新能力。此外,讓學(xué)生自行推導(dǎo),歸納出過去進(jìn)行時的用法,而不是將知識的原委直接告訴學(xué)生,讓學(xué)生自己思考,解決問題,激發(fā)學(xué)生的求知欲,增強(qiáng)學(xué)生課堂主人翁的地位,能培養(yǎng),激發(fā)學(xué)生的創(chuàng)新能力。㈣ 鞏固提高 ① 教師出示幾個關(guān)于when/while引導(dǎo)的過去進(jìn)行時的句子 讓學(xué)生觀察句子,總結(jié)歸納出兩者的用法區(qū)別。讓學(xué)生先師友合作,共同完成。教師提問及對師友本課學(xué)到了什么知識。ll be billions of people to watch the Spring Festival gala on TV tonight.——I whole world______.It39。clock ,他正在廚房燒飯?;居梅ǎ?。如:I was walking in the street when someone called 。過去進(jìn)行時和一般過去時的用法比較:1)過去進(jìn)行時表示過去正在進(jìn)行的動作,而一般過去時則表示一個完整的動作。)2)當(dāng)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(jìn)行時表示。狀語從句根據(jù)它表達(dá)的意思可分為時間、原因、條件、比較、目的、結(jié)果和讓步等類型。4)While I was sleeping, the UFO ,UFO到達(dá)了。例如:Mary was having dinner when I saw boy was still sleeping when his mother got home yesterday the teacher came in, the students stopped “在……的時候”、“在……期間”、“一邊……一邊……”。例如:While we were swimming, someone stole our 39。(一)、when,while都有“當(dāng)……時候”的意思。Were you writing when the teacher came in? 老師進(jìn)來的時候,你在寫信嗎?When he was a child he was always trying out new 。You can’t do your homework while you’re watching 。引申講解:When,While,As引導(dǎo)時間狀語從句的區(qū)別when,while,as顯然都可以引導(dǎo)時間狀語從句,但用法區(qū)別非常大。④ The students took notes as they listened.(listen為延續(xù)性動詞)學(xué)生們邊聽課邊做筆記。②When I got to the airport,the guests had left.(got to后發(fā)生)當(dāng)我趕到飛