新版仁爱版八年级英语上册Unit3OurHobbies过去进行时when和while引导的时间状语从句专项语法讲练

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 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 going?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 brother 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。 　(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： 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 wasn’t playing football at three last Sunday.　　  上周日三点我不是在踢足球。　　(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 wasn’t believing him. (╳)　　　 I didn’t 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。