牛津譯林版英語八年級(jí)上冊(cè)Unit8語法精品課件-過去進(jìn)行時(shí)

1、Unit 8 Natural disastersGrammar 一般現(xiàn)在時(shí)1）經(jīng)常發(fā)生或反復(fù)發(fā)生的動(dòng)作。 如 He gets up at six.2）現(xiàn)實(shí)的情況或狀態(tài)。 如 It is fine today.3）永恒的真理。 如 The sun rises in the east.回顧所學(xué)過的時(shí)態(tài)回顧所學(xué)過的時(shí)態(tài) 一般過去時(shí)1）過去發(fā)生的動(dòng)作或存在的狀態(tài)。 如 I went to school on foot.2）剛發(fā)生過的動(dòng)作。 如 She came in just now.回顧所學(xué)過的時(shí)態(tài)回顧所學(xué)過的時(shí)態(tài) 現(xiàn)在進(jìn)行時(shí) 1 1）此刻正在進(jìn)行的動(dòng)作 如 We are having our En

2、glish class now.2）此階段正在進(jìn)行的動(dòng)作 如 We are using a new txt book. 一般將來時(shí) 如 I am going to/shall/will visit my uncle this weekend.回顧所學(xué)過的時(shí)態(tài)回顧所學(xué)過的時(shí)態(tài)l 過去進(jìn)行時(shí)。過去進(jìn)行時(shí)。 今早今早7:007:00我在吃早飯。我在吃早飯。 I was eating breakfast at 7.00 this morning. 昨晚昨晚8:00-10:008:00-10:00他在看電視。他在看電視。 He was watching TV from 8:00 to 10:00 las

3、t night.過去進(jìn)行時(shí)的基本用法過去進(jìn)行時(shí)的基本用法表示過去某一時(shí)刻正在進(jìn)行的動(dòng)作以及表示過去某一時(shí)刻正在進(jìn)行的動(dòng)作以及過去某一段時(shí)間內(nèi)持續(xù)進(jìn)行的動(dòng)作過去某一段時(shí)間內(nèi)持續(xù)進(jìn)行的動(dòng)作, ,常與常與表示過去的具體時(shí)間連用。表示過去的具體時(shí)間連用。 如：如：at that time, at this time yesterday， at 9.00 last night, at that moment 等連用等連用。過去進(jìn)行時(shí)的句型轉(zhuǎn)換過去進(jìn)行時(shí)的句型轉(zhuǎn)換1)Jim was watching TV from eight to ten last night.2)Jim wasnt watching

4、TV from eight to ten last night.3) -Was Jim watching TV from eight to ten last night? -Yes, he was. /No, he wasnt.4) What was Jim doing from eight to ten last night?Tom was playing football.She was reading a book. What was Tom doing just now?What was Lucy doing at 2:30 p.m. yesterday?They were watch

5、ing TV from 6 to 8 last night. The twins were thinking. What were they doing from 6 to 8 last night?What were the twins doing at this time yesterday?Past continuous tensebe (was/were) + verb-ing過去進(jìn)行時(shí)過去進(jìn)行時(shí)過去進(jìn)行時(shí)的句式過去進(jìn)行時(shí)的句式（1 1）基本結(jié)構(gòu)：）基本結(jié)構(gòu)：was/were + v-ing（2 2）否定式：）否定式： was/were not + v-ing was not = wa

6、snt were not = werent（3 3）疑問句：）疑問句： 將將 was/were 調(diào)到主語前調(diào)到主語前1 1. 表示在過去某個(gè)時(shí)間點(diǎn)正在發(fā)生的動(dòng)作表示在過去某個(gè)時(shí)間點(diǎn)正在發(fā)生的動(dòng)作. .常與常與 at ten last night, at this time yesterday, at that time/moment, when I came in 等連用等連用. .2. 表示在過去某段時(shí)間之內(nèi)持續(xù)不斷發(fā)生的動(dòng)作表示在過去某段時(shí)間之內(nèi)持續(xù)不斷發(fā)生的動(dòng)作. 常與常與last night, this morning, fromto (from7 to 10 this morning

7、)連用連用. He wrote a letter this morning. He was writing a letter this morning. 區(qū)別區(qū)別: : 今天上午他寫了一封信今天上午他寫了一封信. . 今天上午他一直寫信今天上午他一直寫信. .一、有時(shí)為了句子表達(dá)的需要一、有時(shí)為了句子表達(dá)的需要,我們可以用復(fù)我們可以用復(fù)合句來表達(dá)過去進(jìn)行時(shí)合句來表達(dá)過去進(jìn)行時(shí).如如: 昨晚當(dāng)我到家的時(shí)候昨晚當(dāng)我到家的時(shí)候,媽媽和爸爸正在看媽媽和爸爸正在看 電視電視.My parents were watching TV when I arrived home last night. 剛才當(dāng)老師

8、走進(jìn)教室的時(shí)候剛才當(dāng)老師走進(jìn)教室的時(shí)候,學(xué)生們正在讀書學(xué)生們正在讀書. Students were reading when the teacher came in just now.Note: 在這些句子中在這些句子中,when引導(dǎo)的句引導(dǎo)的句子表過去的某一個(gè)具體的時(shí)間子表過去的某一個(gè)具體的時(shí)間,when從句用一般過去時(shí)從句用一般過去時(shí), 而它的主句用過而它的主句用過去進(jìn)行時(shí)去進(jìn)行時(shí). 二、但是若強(qiáng)調(diào)某個(gè)動(dòng)作正在進(jìn)行中時(shí)二、但是若強(qiáng)調(diào)某個(gè)動(dòng)作正在進(jìn)行中時(shí), ,又發(fā)生又發(fā)生 了別的動(dòng)作了別的動(dòng)作, ,用用when從句。從句。when從句必用過去從句必用過去 進(jìn)行時(shí)進(jìn)行時(shí), ,主句用一般過去時(shí)。

9、主句用一般過去時(shí)。(表示在表示在when從句正從句正進(jìn)行期間又發(fā)生了主句的動(dòng)作進(jìn)行期間又發(fā)生了主句的動(dòng)作) 此時(shí)此時(shí), when= while, ,表時(shí)間段表時(shí)間段. 如如: 當(dāng)學(xué)生們正在讀書時(shí)當(dāng)學(xué)生們正在讀書時(shí), ,老師走進(jìn)了教室。老師走進(jìn)了教室。 When/While the students were reading, the teacher came into the classroom. 昨晚當(dāng)爸爸和媽媽正在看電視時(shí)昨晚當(dāng)爸爸和媽媽正在看電視時(shí), ,我到家了。我到家了。While my parents were wacthing TV last night, I went home.

10、三、若主三、若主, 從句兩個(gè)延續(xù)動(dòng)作同時(shí)進(jìn)行從句兩個(gè)延續(xù)動(dòng)作同時(shí)進(jìn)行,用用while, 則主與從句都用進(jìn)行時(shí)則主與從句都用進(jìn)行時(shí), 此時(shí)此時(shí),while譯譯為為“而而”“”“一邊一邊,一邊一邊”, 如如:1. 他正在讀書而我正在學(xué)習(xí)。他正在讀書而我正在學(xué)習(xí)。 He was reading the newspaper while I was studying.2.貝貝正在唱歌貝貝正在唱歌, 而萍萍正在跳舞。而萍萍正在跳舞。 Beibei was singing while Pingping was dancing.3. 她一邊聽歌一邊做作業(yè)。她一邊聽歌一邊做作業(yè)。She was doing he

11、r homework while she was listening to music.4.當(dāng)玻璃或磚塊落下來時(shí)人們瘋狂的跑了出來。當(dāng)玻璃或磚塊落下來時(shí)人們瘋狂的跑了出來。People were running wildly while pieces of glass and bricks were falling down.5. Suzy 正在堆雪人而正在堆雪人而Kitty 在她旁邊站著看。在她旁邊站著看。 Suzy was making a snowman while Kitty was standing beside her. What _ your brother _ (do) at

12、nine oclock last night?2. They _ (listen) to music at that time.3. When I saw him, he _ (search) the Internet.wasdoingwere listeningwas searchingExercise 14. They _ (discuss) a problem in the meeting room at this time yesterday.5. _ Amy _ (visit) the Science Museum from 9:00 a.m. to 11:00 a.m. yeste

13、rday?were discussingWasvisiting1. My wallet dropped on the ground _ I was running.2. _ I was falling asleep, there was a loud knock on the door.3. _ he was reading, an earthquake started.4. Were the students listening to the teacher carefully _ the teacher was giving a lesson?5. _ the telephone rang, I became nervous.while When While while When Exercise 2過去進(jìn)行時(shí)與一般過去時(shí)的區(qū)別過去進(jìn)行時(shí)與一般過去時(shí)的區(qū)別 過去進(jìn)行時(shí)過去進(jìn)行時(shí)著重描述當(dāng)時(shí)正在進(jìn)行的動(dòng)作，著重描述當(dāng)時(shí)正在進(jìn)