《初中過去進(jìn)行時(shí)ppt》由會(huì)員分享，可在線閱讀，更多相關(guān)《初中過去進(jìn)行時(shí)ppt（9頁(yè)珍藏版）》請(qǐng)?jiān)谘b配圖網(wǎng)上搜索。
1、過去進(jìn)行時(shí) 一、定義過去進(jìn)行時(shí)表示在過去某一時(shí)刻或某一段時(shí)間內(nèi)進(jìn)行或發(fā)生的動(dòng)作，不一定已完成。其形式為was /were + V-ing。 二、過去進(jìn)行時(shí)的用法1.表示過去某一時(shí)間（正在）進(jìn)行的動(dòng)作。 I was watching TV at 7 last night.I was sleeping when it started to rain.*2.表示過去某一階段正在進(jìn)行的或暫時(shí)性的動(dòng)作。At that time,I was working in Sydney.3.表示一動(dòng)作正在進(jìn)行時(shí)，另一動(dòng)作同時(shí)突然發(fā)生。(1)用while連接（while只接doing,用延續(xù)性動(dòng)詞）(2）when表示
2、（when可以接doing或did，動(dòng)詞可以是延續(xù)性的也可是短暫性的，when后動(dòng)作時(shí)間長(zhǎng)，用doing，時(shí)間短，用did） I was watching TV when someone knocked at the door. Someone knocked the door while/when I was watching TV. 思考：“I was walking past the car while it suddenly exploded.(爆炸)”正確與否？4.用于故事，以提供其時(shí)間背景 Mary was dancing，but she stopped when she saw
3、me.When I was working in the garden ,the accident happened.*5.帶感情色彩，使描述生動(dòng)。She was always helping others when she lived here. 三、過去進(jìn)行時(shí)的用法常用的時(shí)間狀語at that moment, at ten oclock last night ,(at) this time of last year, last night, all day yesterday, this morning, the whole morning, from nine to ten last e
4、vening, when, while等。e.g. I _(read) a newspaper at 7 last night. He _(clean) the yard when his son came home.They _(play) very hard at this time of last year. 四、與一般過去時(shí)的對(duì)比都強(qiáng)調(diào)過去發(fā)生的事但用一般過去時(shí)，只是表示有過這件事（已做完）；用過去進(jìn)行時(shí)，則強(qiáng)調(diào)了動(dòng)作的連續(xù)性（未必已完成）。 e.g. I was reading a book that evening.那天晚上我一直在讀書。（未讀完）I read a book tha
5、t evening. 那天晚上我讀了一本書。（已讀完） 練習(xí)：1.（04中考） Someone _ at the door when Tom was having his supper. A. had knocked B. has knocked C. knocked2.（05中考）Someone _at the door when she was cooking in the kitchen.A. had knockedB. has knockedC. knocked 3.It was warm, so I _(take) off my coat. 4 My brother came int
6、o the bedroom while I _(dance).5 _ he _(lie) on the ground at nine yesterday evening ? 6 What _ Jim _(write) when the teacher came in ?7 Mike and I _(play) basketball at that time yesterday afternoon.8 I first met Lisa three years ago. She _(work) at a radio shop at the time.9. When I arrived at his
7、 office , he _ on the phone. (speak)10.While we _ (wait) for the bus, a girl _ (run) up to us.11. She _ (not want) to stay in bed while the others _ (all, work) in the fields that morning.12. While my mother _ (put) Cathy to bed, the door bell _ (ring) that night. 13. As I _ (walk) in the park, it _
8、 (begin) to rain.14. Even when she _ (be) a child she _ (already, think) of becoming a ballerina (芭蕾舞演員).15. It was quite late at night. George _ (read) and Amy _ (ply) her needle when they _ (hear) a knock at the door.16. There _ (be) a group round the fire when they _ (reach) it. An old woman _ (sit) on the ground near the kettle; two small children _ (lie) near her; a donkey _ (bend) his head over a tall girl.
初中過去進(jìn)行時(shí)ppt
