過去進(jìn)行時(shí)微課課件.ppt

1、過去進(jìn)行時(shí)微課,岱岳區(qū)滿莊一中 李華,一、定義：過去某一時(shí)間正在進(jìn)行的動(dòng)作。,二、與現(xiàn)在進(jìn)行時(shí)的異同：,現(xiàn)在進(jìn)行時(shí)的構(gòu)成為： 主語 十助動(dòng)詞am/is/are十動(dòng)詞的現(xiàn)在分詞。,I was having dinner with my friends at this time yesterday.,You were having a math class at this time yesterday.,主語 十助動(dòng)詞was (were)十動(dòng)詞的現(xiàn)在分詞,三、構(gòu)成：,四、標(biāo)志詞：,at this time yesterday , at that time, at five last Sunday

2、, the whole morning, all that day, then, last night,以及when, while引導(dǎo)的時(shí)間狀語從句。,五、用法,（一）、過去某一時(shí)刻正在進(jìn)行或發(fā)生的動(dòng)作。,當(dāng)老師進(jìn)來時(shí)你們正在干什么？ 老師進(jìn)來時(shí)他正在讀書。他在讀書時(shí)，我在寫作業(yè)。,（二）、過去某個(gè)時(shí)間前后兩個(gè)動(dòng)作是同時(shí)進(jìn)行的。,For example:,What were you doing when the teacher came in？,He was reading books when the teacher came in .,While he was reading books

3、,I was doing my homework.,特別注意：when 與while 的區(qū)別,二者都有“當(dāng)時(shí)”的意思，但while 后只能跟延續(xù)性動(dòng)詞（即后面可加ing的動(dòng)詞），而when 后既可跟延續(xù)性動(dòng)詞，又可跟非延續(xù)性動(dòng)詞，所有動(dòng)詞均可。,（三）、描述一件事發(fā)生的背景，一個(gè)長動(dòng)作發(fā)生時(shí)，另一個(gè)短動(dòng)作在發(fā)生。,For example: My brother fell while he was riding a bike.,我哥哥騎自行車時(shí)，摔倒了。,It was snowing when he left school .,他離開學(xué)校時(shí)，天在下雪。,（四）、常與always連用，表埋怨、責(zé)怪

4、、表揚(yáng)和喜歡等感情。,My father was always smoking when she was young.,我父親年輕時(shí)，總是抽煙。,I remembered She was often smiling when I talked to her.,我記得當(dāng)我和她說話時(shí)經(jīng)常微笑。,For example:,Exercise,1.When I arrived at his office , he _on the phone. was talking B. talked C. talk D. talks 2.-I called you yesterday evening, but nobody answered the phone. -Oh, I_ a walk with my parents at that time. A. took B. was taking C. am talking D. take,3. They _ (在買衣服）when the UFO arrived. 4. What _ you_ when you _ the alarm? (當(dāng)聽到警報(bào)的時(shí)候, 你在干什么?),were buying clothes,were,doing,heard,While,What were they