1、20132013年版英語(yǔ)年版英語(yǔ)八下八下Unit5過(guò)去進(jìn)行時(shí)過(guò)去進(jìn)行時(shí)與與when、while（一）含義及構(gòu)成（一）含義及構(gòu)成 過(guò)去進(jìn)行時(shí)表示過(guò)去某一時(shí)刻或某一過(guò)去進(jìn)行時(shí)表示過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，其結(jié)構(gòu)為：段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作，其結(jié)構(gòu)為：was / were + v. ing。I/He/She/It was +v-ing (第一三人稱單第一三人稱單數(shù)用數(shù)用was)We/You/They +v-ing 過(guò)去進(jìn)行時(shí)過(guò)去進(jìn)行時(shí)（1）過(guò)去進(jìn)行時(shí)的否定句結(jié)構(gòu)為：）過(guò)去進(jìn)行時(shí)的否定句結(jié)構(gòu)為：was / were+ not +v. -ing ，was與與not?？s寫為?？s寫為w

2、asnt，were與與not?？s寫為?？s寫為werent。（2）過(guò)去進(jìn)行時(shí)的一般疑問(wèn)句結(jié)構(gòu)為：）過(guò)去進(jìn)行時(shí)的一般疑問(wèn)句結(jié)構(gòu)為：Was / Were +主語(yǔ)主語(yǔ)+ v. -ing+其他？其他？（3）過(guò)去進(jìn)行時(shí)的特殊疑問(wèn)句結(jié)構(gòu)為：）過(guò)去進(jìn)行時(shí)的特殊疑問(wèn)句結(jié)構(gòu)為：疑問(wèn)詞疑問(wèn)詞+ was / were+主語(yǔ)主語(yǔ)+v. -ing+其他？其他？（二）用法（二）用法 1. 表示過(guò)去某一時(shí)刻或某一段時(shí)間表示過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行或發(fā)生的動(dòng)作。與過(guò)去某一特正在進(jìn)行或發(fā)生的動(dòng)作。與過(guò)去某一特定的時(shí)間狀語(yǔ)連用，常見的有：定的時(shí)間狀語(yǔ)連用，常見的有：at 3 oclock yesterday afterno

3、on, in those days, at this time yesterday等。等。 2. 表示過(guò)去一個(gè)動(dòng)作發(fā)生時(shí)，另一表示過(guò)去一個(gè)動(dòng)作發(fā)生時(shí)，另一個(gè)動(dòng)作正在進(jìn)行，持續(xù)時(shí)間長(zhǎng)的動(dòng)作用個(gè)動(dòng)作正在進(jìn)行，持續(xù)時(shí)間長(zhǎng)的動(dòng)作用過(guò)去進(jìn)行時(shí)，常用在過(guò)去進(jìn)行時(shí)，常用在while引導(dǎo)的時(shí)間狀引導(dǎo)的時(shí)間狀語(yǔ)從句中。語(yǔ)從句中。. 用所給詞的適當(dāng)形式填空用所給詞的適當(dāng)形式填空1. I _ (help) my mother with housework at ten oclock last Sunday. 2. The girl _ (have) a piano lesson at this time yeste

4、rday. 過(guò)去進(jìn)行時(shí)的用法過(guò)去進(jìn)行時(shí)的用法was helpingwas having3. They _ (talk) about the film when the teacher came in. 4. While he _ (wait) for the bus, he read a newspaper. 5. He said he was _ (leave) for Shanghai soon.were talkingwas waitingleaving. 句型轉(zhuǎn)換句型轉(zhuǎn)換1. Kate was drawing pictures when her mother came back. （改

5、為否定句）（改為否定句）Kate _ _ pictures when her mother came back. 2. She was babysitting her sister at this time yesterday. （改為一般疑問(wèn)句）（改為一般疑問(wèn)句）_ she _ her sister at this time yesterday?wasnt drawingWas babysitting3. They were having a party when I knocked at the door. （就劃線部分提問(wèn)）（就劃線部分提問(wèn)）_ _ they _ when you kno

6、cked at the door?What were doing. 用用when或或while填空填空1. What were you doing _ the earthquake happened? 2. _ I was shopping in the supermarket, I met my friend Nancy. whenWhile3. I was sleeping _ my cousin came to see me. 4. My mother was doing the housework _ I was doing my homework. 5. _ the alien wa

7、s in the shop, the girl called the police.when whileWhilewhen and whileBoth of them mean ”當(dāng)當(dāng)?shù)臅r(shí)候的時(shí)候”.Are they the same? No ！when引導(dǎo)的時(shí)間狀語(yǔ)從句可以表示一個(gè)時(shí)間引導(dǎo)的時(shí)間狀語(yǔ)從句可以表示一個(gè)時(shí)間點(diǎn)點(diǎn),也可以表示一個(gè)時(shí)間段。從句中可以用也可以表示一個(gè)時(shí)間段。從句中可以用短暫性動(dòng)詞短暫性動(dòng)詞,也可以用也可以用延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞。從句中從句中的動(dòng)作既可與主句的動(dòng)作同時(shí)發(fā)生，的動(dòng)作既可與主句的動(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。又可在主句的動(dòng)作之前或之后發(fā)生。lI

8、t was snowing when we got to the airport. 我們到達(dá)機(jī)場(chǎng)時(shí)我們到達(dá)機(jī)場(chǎng)時(shí), 天正下著雪。天正下著雪。lMy key dropped on the ground when I was walking in the park. 我在公園散步時(shí)我在公園散步時(shí), 鑰匙掉在了地上。鑰匙掉在了地上。 whenwhilewhile引導(dǎo)的時(shí)間狀語(yǔ)從句常指一個(gè)時(shí)間引導(dǎo)的時(shí)間狀語(yǔ)從句常指一個(gè)時(shí)間段段,從句中的動(dòng)詞必須為從句中的動(dòng)詞必須為延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞。while有時(shí)還可表示主句的動(dòng)作與從句有時(shí)還可表示主句的動(dòng)作與從句的動(dòng)作同時(shí)發(fā)生。的動(dòng)作同時(shí)發(fā)生。lWhile he

9、was reading, the phone rang. 他正在看書時(shí)他正在看書時(shí), 電話鈴響了。電話鈴響了。l Some students were reading while others were writing. 一些學(xué)生在讀書一些學(xué)生在讀書, 另一些學(xué)生在寫字。另一些學(xué)生在寫字。 tips:l當(dāng)時(shí)間狀語(yǔ)從句中的動(dòng)作與主句中的動(dòng)當(dāng)時(shí)間狀語(yǔ)從句中的動(dòng)作與主句中的動(dòng)作同時(shí)發(fā)生，且從句動(dòng)作為作同時(shí)發(fā)生，且從句動(dòng)作為延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞時(shí)，時(shí)，when 與與while都可以使用。都可以使用。lwhen 說(shuō)明從句的動(dòng)作各主句的動(dòng)作可說(shuō)明從句的動(dòng)作各主句的動(dòng)作可以是同時(shí)發(fā)生，也可以是先后發(fā)生，以是

10、同時(shí)發(fā)生，也可以是先后發(fā)生，while則強(qiáng)調(diào)主句的動(dòng)作在從句動(dòng)作的發(fā)則強(qiáng)調(diào)主句的動(dòng)作在從句動(dòng)作的發(fā)生過(guò)程中發(fā)生或者主從句動(dòng)作同時(shí)發(fā)生生過(guò)程中發(fā)生或者主從句動(dòng)作同時(shí)發(fā)生。tips:通常情況下通常情況下when能替代能替代while, 但但while不能替代不能替代when.當(dāng)從句和主句都用過(guò)去進(jìn)行時(shí)的時(shí)當(dāng)從句和主句都用過(guò)去進(jìn)行時(shí)的時(shí)候，多用候，多用while引導(dǎo)。引導(dǎo)。 (2009四川瀘州四川瀘州) What were you doing _ Zhang Fan came in? A. when B. while C. where【解析】三個(gè)選項(xiàng)分別意為【解析】三個(gè)選項(xiàng)分別意為“當(dāng)當(dāng)時(shí)時(shí)”、“與

11、與同時(shí)同時(shí)”、“哪里哪里”，結(jié)合題意，結(jié)合題意“當(dāng)張凡進(jìn)來(lái)時(shí)，你正在做什么？當(dāng)張凡進(jìn)來(lái)時(shí)，你正在做什么？”可排可排除除B、C二項(xiàng)，故選二項(xiàng)，故選A。1. What _ (be) you _ (do) when he arrived?2. Jim_ (sleep) when I came in.3. They _ (watch) TV at 8:00 yesterday evening.4. Now he _ (read) and _. were doing was sleeping were watching is reading writingA. Fill in the blanks wi

12、th the given words.B B. Translate these sentences into English.1. 上課鈴響時(shí)，你在干什么？上課鈴響時(shí)，你在干什么？ What _ you _when the class bell rang? 2. 當(dāng)我媽媽進(jìn)來(lái)時(shí)我正在看書。當(dāng)我媽媽進(jìn)來(lái)時(shí)我正在看書。 I _when my mother came in. 3. 昨天晚上十點(diǎn)鐘她正在做飯。昨天晚上十點(diǎn)鐘她正在做飯。 She _ at ten oclock _.weredoingwas readingwas cookinglast night / yesterday evening4. 當(dāng)天開始下雨時(shí)當(dāng)天開始下雨時(shí), 孩子們正在玩游戲。孩子們正在玩游戲。 The children _ games when it _ to rain.5. 當(dāng)我進(jìn)來(lái)時(shí)，那只貓?zhí)优芰?。?dāng)我進(jìn)來(lái)時(shí)，那只貓?zhí)优芰恕?The cat _ when I _.were playing beganran awaycame in 6. 飛機(jī)在倫敦著陸時(shí)飛機(jī)在倫敦著陸時(shí), 天正下著雨。天正下著雨。 It _ when the plane _ in London.7. 電