八年級英語下Unit3 Section A課件人教新目標(biāo)版

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1、What were you doing when the UFO arrived？Unit 3SectionA(1a-1c)學(xué)習(xí)目標(biāo)學(xué)習(xí)目標(biāo) 1.掌握本課重點單詞和短語. 2.掌握過去進行時態(tài). 3.掌握在過去進行時中,連詞when,while引導(dǎo)的時間狀語 從句. 4.培養(yǎng) 學(xué)生團隊合作和熱愛科學(xué)勇于探索的精神. Peters motherPeters fatherPeterPeters brotherbedroomliving roombathroomkitchenIm Peter.This is my home.What is she doing ?Where is Peters mot

2、her?She is in the kitchen.Where was Peters mother when I visited?She was in the kitchen.She was cooking dinner when you visited.She is cooking dinner.What was she doing when I visited?He was in the living room.He was watching TV when you visited.Where is Peters father?He is in the living room.What i

3、s he doing ?He is watching TV.Where was Peters father when I visited?What was he doing when I visited?He was in the bedroom.He was sleeping when you visited.Where is Peter?He is in the bedroom.What is he doing ?He is sleeping .Where was Peter when I visited?What was he doing when I visited?He was in

4、 the bathroom.He was taking a shower when you visited.Where is Peters brother?He is in the bathroom.What is he doing ?He is taking a shower.Where was Peters brother when I visited?What was he doing when I visited? Who Where What PeterPeters motherPeters fatherPeters brotherPeters grandfather Where w

5、as_when Miss Wang visited?What was _ doing when Miss Wang visited?bacefListeningPair work重點、難點分析重點、難點分析 1. 過去進行時：表示在過去某一時間內(nèi)正在過去進行時：表示在過去某一時間內(nèi)正在進行的動作。進行的動作。 構(gòu)成：構(gòu)成：was / were + 現(xiàn)在分詞現(xiàn)在分詞 （其中（其中was是是am、is的過去式，的過去式，were是是are的過去式）的過去式） eg. 1) I was doing my homework then . 那時，我正在做作業(yè)。那時，我正在做作業(yè)。 2) He was c

6、ooking in the kitchen at 12 oclock yesterday . 昨天昨天12點，他正在廚房燒飯。點，他正在廚房燒飯。重點、難點分析重點、難點分析 用法：用法：1）過去進行時表現(xiàn)過去某一時刻正在）過去進行時表現(xiàn)過去某一時刻正在進行的動作。進行的動作。 eg. She was writing a letter when I came in . 我進來時，她正在寫封信。我進來時，她正在寫封信。 2）過去進行時還表示過去某階段正在進行）過去進行時還表示過去某階段正在進行的動作。的動作。 eg. They were waiting for you yesterday . 他

7、們昨天一直在等你。他們昨天一直在等你。 以以when和和while引導(dǎo)的時間狀語從句引導(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。結(jié)束。 如：如：work、study、drink、eat等。等。 非延續(xù)性動詞指動作極為短暫，瞬間結(jié)束。非延續(xù)性動詞指動作極為短暫，瞬間結(jié)束。 如：如：start、begin、hit、jump、knock等。等。 以以when和和while引導(dǎo)的時間狀語從句引導(dǎo)的時間狀語從句 while表示表示“在在的時候的時候”、“在在期間期間”。它強調(diào)主句

8、的動作與從句的動作同時發(fā)生或主句的動它強調(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。作發(fā)生在從句的動作過程中。while從句中必須是表示從句中必須是表示動作或狀態(tài)的延續(xù)性動詞。如：動作或狀態(tài)的延續(xù)性動詞。如： The weather was fine while we were in Beijing . She called while I was out . 如果主句的動作在從句的動作過程中發(fā)生，從句常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。如。用進行時。如。 While we were swimming someone stole our clothe

9、s . Dont talk so loud while others are working .總結(jié)總結(jié) 1. when可指時間點，又可指時間段，從句中可用延可指時間點，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。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)性動總是指一個時間段，從句中必須用延續(xù)性動詞。詞。Exercises1.昨天早上昨天早上9點鐘你在干什么點鐘你在干什么?What were you doing at 9 oclock yesterday morning? 2.當(dāng)當(dāng)不明飛行物起飛時不明飛行物起飛時,小明正在騎自行車小明正在騎自

10、行車.XiaoMing was riding his bike when the UFO took off. 3.在在那時那時,他們正在做家庭作業(yè)他們正在做家庭作業(yè).They were doing their homework at that time.4.今天早晨當(dāng)我給你打電話的時候你正在干什么？今天早晨當(dāng)我給你打電話的時候你正在干什么？What were you doing when I called you up this morning?2345語言點解釋語言點解釋 9. At around ten oclock in the morning . 在上午，在早晨在上午，在早晨 in t

11、he morning 在下午在下午 in the afternoon 在晚上在晚上 in the evening 在十點鐘左右在十點鐘左右at around ten oclock 在正午在正午 at noon 在晚上在晚上 at night *請注意介詞的不同請注意介詞的不同語言點解釋語言點解釋 10. take off （1）脫下）脫下eg. Please take off your coat . Its warm in the room . 請脫下大衣，屋子里面很暖和。請脫下大衣，屋子里面很暖和。 （2）起飛）起飛eg. The girl was eating the icecream w

12、hen the UFO took off . 當(dāng)當(dāng)UFO起飛的時候，那個女孩正在吃冰激淋。起飛的時候，那個女孩正在吃冰激淋。 語言點解釋語言點解釋 11. talk on the phone通過電話談話通過電話談話 注意：這里要用介詞注意：這里要用介詞on 12. get out of the shower洗完澡出來洗完澡出來 get out of the UFO從從UFO中出來中出來 get out出來出來語言點解釋語言點解釋 13. I was walking down the street when a UFO landed right in front of me . 當(dāng)一個當(dāng)一個UF

13、O恰好落在我面前的時候，我正在街上走。恰好落在我面前的時候，我正在街上走。 right在這里是副詞，在這里是副詞，“恰好恰好”“”“正好正好”的意思，表的意思，表示強調(diào)。示強調(diào)。 例如例如right now（現(xiàn)在）（現(xiàn)在） right here（就在這兒）（就在這兒） right in front of me恰好在我前面恰好在我前面語言點解釋語言點解釋 14. be surprised（某人）很吃驚（某人）很吃驚 eg. He was surprised when I saw him . 我看見他的時候，他很吃驚。我看見他的時候，他很吃驚。 另外，另外，surprise sb.指指“讓某人吃驚

14、讓某人吃驚” eg. I dont want to surprise you . 我不想讓你吃驚。我不想讓你吃驚。語言點解釋語言點解釋 15. Before the police arrived , the alien left the shop . 在警方到達之前，外星人離開了商店。在警方到達之前，外星人離開了商店。 before“在在之前之前”引導(dǎo)時間狀語從句引導(dǎo)時間狀語從句 16. be scared（某人）給嚇壞了，害怕了（某人）給嚇壞了，害怕了 eg. He was scared when he heard the strange voice . 當(dāng)他聽到了那個奇怪的聲音，他害怕了。

15、當(dāng)他聽到了那個奇怪的聲音，他害怕了。 17. run away逃跑逃跑 18. walk around the station在車站走來在車站走來走去走去語言點解釋語言點解釋 19. She didnt think about looking outside the station . 她沒想到過要往車站外面看一看。 think about考慮 looking outside the station 是動名詞短語，做think about的賓語。 look outside往外看 While Hai Yan was at the doctors , I was going to class .

16、當(dāng)海燕在診所的時候，我正要去上課。 at the doctors在診所（醫(yī)院） at the barbers在理發(fā)店學(xué)習(xí)目標(biāo)學(xué)習(xí)目標(biāo)1.掌握本課重點單詞和短語.2.掌握過去進行時.3.掌握在過去進行時中,when,while引導(dǎo)的時間狀語從句.4.培養(yǎng)學(xué)生團隊合作和熱愛科學(xué)勇于探索的精神.課堂練習(xí) 二. 用when，while填空 1. _ the alien was in the museum , I called the police . 2. The boy was walking down the street _ a UFO landed . 3. _ the alien was v

17、isiting the museum , the boy called the TV station . 4. I was cleaning my room _ the fire broke out . 5. _ Linda was shouting his name , some people looked at her . 6. _ Linda finally saw Davy , he was jumping with a dog .WhilewhenWhilewhenWhileWhen課堂練習(xí) 三三. . 連詞成句連詞成句 1. UFO , the , when , where , y

18、ou , were , arrived 1. UFO , the , when , where , you , were , arrived _?_? was , I , in , bedroom , my was , I , in , bedroom , my _ . _ . 2. shopping , was , the girl , she , the alien , saw , 2. shopping , was , the girl , she , the alien , saw , get out , when get out , when _. _. 3. landed , A

19、UFO , on , Street , Center 3. landed , A UFO , on , Street , Center _ . _ . 4. New York , they , went , to , last , Saturday 4. New York , they , went , to , last , Saturday _. _.課堂練習(xí)課堂練習(xí) 四四. . 翻譯下列句子翻譯下列句子 1. 1. 當(dāng)我在廚房做飯的時候，我看見他進來。當(dāng)我在廚房做飯的時候，我看見他進來。 _ 2. 2. 那時，我正站在圖書館前面。那時，我正站在圖書館前面。 _ 3. 3. 當(dāng)那個女孩正在買東西的時候，外星人出來了。當(dāng)那個女孩正在買東西的時候，外星人出來了。 _ 4. 4. 你能想像到，它是多么奇怪呀！你能想像到，它是多么奇怪呀！ _ 5. 5. 上周日，我有一次不尋常的經(jīng)歷。上周日，我有一次不尋常的經(jīng)歷。 _Unit3Section Bdba dafcbPair workshoppingget outtook offlandedshoutReading