1、1专项语法讲练过去进行时及 when 和 while 引导的时间状语从句【概念引入】Tom: I got a traffic ticket this afternoon.Lily: Were you parking in the wrong place?Tom: No, I was driving too fast.Lily: How fast were you going?Tom: 55 in a 35 mile per hour zone.Lily: Why were you in such a hurry?Tom: I left school late and I was trying
2、to get home before the rush hour.Lily: Did you make it?Tom: No, when the police officer was giving me the ticket, the rush hour started. It took me twice as long to get home.【点睛】请注意以下有特殊标注的地方，这几个句子用的都是过去进行时。1. Were you parking in the wrong place?2. No, I was driving too fast.3. How fast were you goi
3、ng?4. I was trying to get home before the rush hour.5. No, when the police officer was giving me the ticket【译文】Tom: 今天下午我被开罚单了。Lily: 你违章停车了吗？Tom: 不，我超速了。Lily: 你车速多少迈？Tom: 在限速 35 英里每小时的地区开了 55 迈。Lily: 你为什么这么匆忙？Tom: 我离开学校晚了，我想在高峰时间前到家。Lily: 你做到了吗？Tom: 没有，当警察给我开罚单的时候，高峰时间开始了。我用了（平时）两倍的时间才到家。【用法讲解】一、什么是
4、过去进行时？(1) 表示过去某时正在进行的状态或动作。例如：They were singing songs from seven to nine last night. 昨天晚上七点到九点的时候他们一直在唱歌。 What was he doing all day last Sunday? 上周日他一整天都在干什么？(2) 由 when 引导的时间状语从句，表示过去某一时刻，当一个动作发生时，另一个动作正在进行；或某一动作正进行时，突然发生另外一件事。例如：It was raining when they arrived at the station.他们到达车站的时候，天正在下雨。My bro
5、ther was riding his bicycle when he fell off and hurt himself. 我哥哥在骑自行车时，突然从车上摔了下来并受了伤。2(3) 由 while 引导的时间状语从句，常表示在过去某一时刻发生的事情是可延续的或同时发生的，此时，主从句的动词都可用过去进行时。例如：He was selling the newspaper while he was waiting for the bus. 他边等车边卖报。 My mother was cooking while I was watching TV. 妈妈做饭时我在看电视。二、过去进行时的标志词：
6、 与过去进行时经常连用的时间状语有：this morning, from nine to ten, last night, when, while 等。三、过去进行时的基本句式结构：(1)肯定式：主语 + was / were + V-ing + 其它。例如：I was waiting for you from eight to ten yesterday morning.昨天早晨从八点到十点我都一直在等你。(2)否定式：主语 + was / were not + V-ing + 其它。例如：I wasnt playing football at three last Sunday.上周日三点
7、我不是在踢足球。(3) 疑问式：Was / Were + 主语 + V-ing + 其它？例如：What were you doing at that time? 那时你在干什么？四、英语中有四类动词一般不用进行时： (1) 表心理状态、情感的动词，如：love; hate; like; care; respect; please; prefer; know 等。(2) 表存在、状态的动词，如：appear; exist; lie; remain; stand; seem 等。 (3) 表感觉的动词，如：see; hear; feel; smell; sound; taste 等。 (4) 表
8、一时性的动词，如：accept; allow; admit; decide; end; refuse; permit; promise 等。 例如：I was falling asleep at 8: 00 last night. ()I fell asleep at 8: 00 last night. ()昨晚我八点睡着的。I wasnt believing him. ()I didnt believe him. ()我不相信他。I was deciding what to do at that moment. ()I decided what to do at that moment. ()那时我决定怎样去做。
