1、,Unit 5 What were you doing when the rainstorm came? Section A 3 Grammar focus - 4c,I was talking with my mother in my house.,What were you doing when the rainstorm came?,I was on the street.,Where were you when the rainstorm came?,I was waiting for the bus at the bus stop.,What were you doing when

2、the rainstorm came?,過去進行時,1. 概念: 表示過去某一時刻或某段時間內(nèi)正進行的動作。 2. 構(gòu)成: was/were + 動詞現(xiàn)在分詞 3. 用法: a: 表示某一時刻正進行的行為, 與特定的過去時間狀 語連用,常見的時間有: at 8 last night, at this time at that time, at that moment 等 e.g. What were you doing at 10 yesterday morning? I was writing a letter to my father at that moment.,b: 表示過去某段時間

3、內(nèi)正進行的動作。 e.g. We were building a house last winter. They were waiting for you yesterday. 否定句和疑問句： e.g. We were not sleeping at home. Was he feeling well?,I was reading.,What were you doing when the rainstorm came?,When I ,He was doing ,When I called him up, he was sleeping.,Make up the sentences.,Wh

4、ile I ,He was doing ,While I walked to school, he was eating.,While I ,He was doing,While I was sleeping, he was eating.,What were you doing at eight last night? I was taking a shower.,What was she doing at the time of the rainstorm? She was doing her homework.,Grammar Focus,讀下列句子, 你能總結(jié)出句子中包含的語法嗎？,W

5、hat was he doing when the rainstorm came? He was reading in the library when the rainstorm came.,What was Ben doing when it began to rain heavily? When it began to rain, Ben was helping his mom make dinner.,What was Jenny doing while Linda was sleeping? While Linda was sleeping, Jenny was helping Ma

6、ry with her homework.,合作與探究,when和while都可表示“當?shù)臅r候”，引導時間狀語從句。你知道兩者在過去進行時中的用法有什么不同嗎？,過去進行時中的 when 和 while,1. 以when和while引導的時間狀語從句,1) 延續(xù)性動詞和非延續(xù)性動詞 延續(xù)性動詞指動作可以延續(xù)一段時間, 而不是 瞬間結(jié)束。 如: work、study、drink、eat等。 非延續(xù)性動詞指動作極為短暫，瞬間結(jié)束。 如: start、begin、hit、jump、knock等。, I was walking to school when I saw a cat in a tree.

7、 When Sally arrived home, her mother was cleaning the house. 主句的動作是持續(xù)性的，而從句動作是短暫性的，此時用 _ 引導時間狀語從句，主句用 _ 時態(tài)，從句用一般過去時態(tài)。,過去進行,when, While I was sleeping in the bedroom, someone knocked at the door. David fell while he was riding his bike. 主句的動作是短暫性的，從句的動作是持續(xù)性的，此時用 _ 引導從句，主句用 _ 時態(tài)，從句用過去進行時態(tài)。,一般過去,while,

8、總結(jié),1) when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。 2) while總是指一個時間段, 從句中必須用延 續(xù)性動詞。,2)當兩個動作同時持續(xù)發(fā)生的時候,主句和while引導的從句都用過去進行時. e.g. I was watching TV while my sister waslistening to the music.,2) 在本單元中, 出現(xiàn)了以when和while引導的時間狀語從句。 when表示“當?shù)臅r候”。從句中既可用延續(xù)性動詞, 又可用非延續(xù)性動詞, 這些動詞既可以表示動作, 又可表示 狀態(tài)。從句中的動作既可和主句的動作同時發(fā)生, 又

9、可在 主句的動作之前或之后發(fā)生。如： Mary was having dinner when I saw her . The boy was still sleeping when his mother got home yesterday morning .,Look at the table and write sentences with both while and when.,活學活用,4a,1. While John was taking photos, Mary bought a drink. John was taking photos when Mary bought a d

10、rink. 2. While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house.,3. While John was cleaning his room, Mary turned on the radio. John was cleaning his room when Mary turned on the radio. 4. While John was shopping, Mary took the car to the car wash.

11、 John was shopping when Mary took the car to the car wash.,Fill in the blanks with was, were, when or while.,At 7:00 a.m., I woke up. _ I _ making my breakfast, my brother _ listening to the radio. _ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. _ we got to the place of the accident, the car _ in bad shape from hitting a tree. But luckily the driver _ fine. The roads _ icy because of the heavy snow from the night before.,While was,was,While,When,was,was,were,4b,What were you doing at these times last Sunday? Fill i