2020八年级英语上册 Unit 3过去进行时when和while引导的时间状语从句专项语法讲练

2020八年级英语上册 Unit 3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。‎ 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： ‎ 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。‎ 2‎