when,while引导的时间状语从句复习PPT幻灯片.ppt

1、时间状语从句复习,1,I read a book last night.,He did his homework yesterday .,2,He played basketball last week.,1.I _(watch) TV last night. 2.My sister _(make) dinner just now. 3.She _(go) shopping last week. 4.They_(have) dancing class yesterday. 5.We _(plant) trees last year.,3,I was reading a book at 8:00

2、 last night .,He did his homework yesterday. He was doing his homework at that time yesterday.,I read a book last night.,He played basketball last week. He was playing basketball at 8:00 yesterday morning.,4,Ask your partner what he/she was doing at 7:00 last night, then give a report.,At 7:00 last

3、night was reading. was shopping,5,What were they doing when the teacher came in?,They were doing homework when The teacher came in.,6,7,8,Free talk,Rainstorm is coming,strong winds,black clouds dark sky,9,What should we prepare before the rainstorm came?,radio,matches,wood,flashlight,10,fallen trees

4、,broken windows,fallen houses,The storm brought people closer together.,After the storm,11,I was studying in the library.,Yesterday, there was a rainstorm. What were they doing when the rainstorm came? Here are some reports.,What were you doing when the rainstorm came?,Warming up,12,I was on the str

5、eet.,What were you doing when the rainstorm came?,13,I was reading a newspaper.,What were you doing when the rainstorm came?,14,I was waiting for the bus at the bus stop.,What were you doing when the rainstorm came?,15,When I ,He was doing ,When I called him up, he was sleeping.,16,When I ,He was do

6、ing ,When I walked to school, he was having breakfast.,17,1. 构成及用法 过去进行时由“was / were +动词-ing”构成，表示在过去某一时刻或某一段时间正在进行的动作。常与过去进行时连用的时间状语有at eight / nine . (oclock) yesterday morning, at that time，from eight to ten yesterday morning等。,过去进行时,18,过去进行时着重描述当时正在持续进行的动作，它的特点是：暂时，持续和未完成，强调过程；一般过去时表示发生过的动作或存在的状

7、态，即表示动作发生过，而且已经结束了，强调结果。,过去进行时与一般过去时的区别,19,如: Alice was doing her homework at six yesterday evening. Mike and his brother were playing soccer from three to four yesterday afternoon.,20,肯定式： 主语+was/were+动词-ing (+其他). 如：I was swimming at that time. 否定式: 主语+wasnt/werent +动词-ing (+其他). 如：They werent lis

8、tening to music at ten yesterday morning.,2. 句式,21,疑问式: Was / Were+主语+动词-ing (+其他)? 其肯定回答为：Yes, 主语(人称代词)+ was / were.； 否定回答为：No, 主语(人称代词)+ wasnt / werent. 如：Was Joe reading at the time of the rainstorm? Yes, he was. / No, he wasnt.,22,单元复习,单元目标,when, while,过去进行时,23,when和while都可表示“当的时候”, 引导时间状语从句。你知道

9、两者在过去进行时中的用法有什么不同吗？ 请仔细观察下面的例句，然后补全空格中的内容。,过去进行时中的when和while,24, I was walking to school when I saw a cat in a tree. When Sally arrived home, her mother was cleaning the house. 主句的动作是持续性的，而从句动作是短暂性的，此时用_引导时间状语从句，主句用_时态，从句用一般过去时态。,过去进行,when,25, While I was sleeping in the bedroom, someone knocked at

10、the door. David fell while he was riding his bike. 主句的动作是短暂性的，从句的动作是持续性的，此时用_引导从句，主句用_时态，从句用过去进行时态。,一般过去,while,26, While Andy was waiting for the bus, he was reading a newspaper. He was cleaning his car while I was cooking. 主句和从句的动作在过去的某时刻或某 段时间同时发生, 而且动作都是持续性 的, 此时用_引导从句, 而且主句 和从句都用_时态。,过去进行,while,

11、27,II. 用when或while填空。 1. _ we were talking in the classroom, the teacher came in. 2. _ they got to the airport, it was raining. 3. _ she was reading a book, the phone rang.,While,When,While,28,4. _ I saw the boy, he was wearing a new coat. 5. _ he was reading, he fell asleep.,When,While,29,I. 根据汉语意思

12、完成句子。 1. I _ my homework when Mike _ last night. 昨天晚上迈克来的时候我正在写作业。 2. While Ann _ TV, her father _ home. 安正在看电视时，她父亲回来了。,was doing,came,was watching,came,30,3. What were you doing when I _ at the door? 我敲门(knock)的时候你在干什么？ 4. She _ the room when I _ to see her. 我去看她的时候她不是在打扫房间。,wasnt cleaning,went,kn

13、ocked,31,1. _ I was walking home from school, I saw a strange light in the sky. But _ I pointed it out to my friend, it went away. 2. _ I told my older brother about the strange light in the sky, he just laughed and didnt believe me. 3. _ my brother was laughing, the television news reported that ot

14、her people had seen the light as well.,1. Fill in the blanks with when or while.,While,when,When,While,Self Check,32,2. Fill in the blanks with the correct forms of the words in brackets.,When I _ (be) in the sixth grade, I _ (join) a piano competition. I _ (practice) for four hours every day and my

15、 piano teacher _ (come) three times a week to _ (help) me. Then the big day finally _ (arrive). I _ (be) so nervous when they _ (call) my name. I _ (go) up and _ (start) to play.,was,joined,practiced,came,help,arrived,was,called,went,started,33,While I _ (play), everyone _ (sit) still and listened.

16、I played the song without any mistakes. Then I _ (wait) for them to call out the winner. When I _ (hear) my name, my heart _ (beat) so quickly I thought I would stop breathing. I couldnt believe it. I _ (win)! It _ (be) the happiest day of my life!,was playing,sat,waited,heard,was beating,won,was,34

17、,3b Complete the sentences using information from the passage.,1. When the news on TV was reported, strong winds _ (blow)outside. 2. While Bens mom was making sure the radio was working, his dad _ (put)pieces of wood over the windows . _.,were blowing,was putting,35,3. Ben _(help)his mom make dinner

18、 when the heavy rain finally started. 4. When Ben _ at 3:00 a.m., the wind _(die)down.,fell asleep,was dying,was helping,36,【运用】 根据句意，用sleep或asleep填空。 1) We _ very well every night. 2) I need to get some _. 3) He was _ the minute he lay down.,sleep,sleep,asleep,37,与die 相关的短语: die away 逐渐减弱；逐渐模糊 die out 灭绝；消失 die of/from 死于,die down 逐渐变弱；逐渐消失 e.g. When you saw him, his anger had died down a bit. 你看见他的时候, 他的火气已经下去 了。,38,根据句意选用raise或rise的适当形式填空。 1) Tom _ his head when he heard the sound. 2) The moon has not _ yet. 3) My brother often _ at about 6:30 a.m. 4) We _ money to hel