Unit 3 What were you doing when the UFO arrived?

Unit 3 What were you doing when the UFO arrived?

UFOmeans Unidentified Flying Object (不明飞行物体)

bedroom kitchen Barber shop bathroom Word study

Question: Q: What were you doing at 7:00 last night? A: I was reading my English book at that time.

一. 过去进行时 过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作，常和表过去的时间状语连用。构成：肯定形式：主语+was/ were+ V-ing 否定形式：主语+was not (wasn't)/were not (weren't)+V-ing 疑问形式：Was/Were+主语+V-ing。

过去进行时与一般过去时的区别 • 过去进行时：表示正在进行的动作。 I was reading a novel last night.昨晚我在看小说。（可能还没有看完） • 一般过去时：表示一个完成的动作。 I read a novel last night .昨晚我看了一本小说。（已经看完了）

Pair work--- tell us a short story about the picture in this park.

Question: Q: What were you doing when the UFO arrived? A: Jenny was walking down the street when the UFO landed. While I was sleeping last night, the UFO landed

二、when 和 while 引导的时间状语从句 1) 延续性动词和非延续性动词延续性动词指动作可以延续一段时间，而不是瞬间结束。如：work、study、drink、eat等。非延续性动词指动作极为短暂，瞬间结束。如：start、begin、arrive、jump、go、 finish、borrow、knock等。 2) when表示“当……的时候”。它后面既可跟延续性动词，又可跟非延续性动词. 3) while表示“在……的时候”、“在……期间”。While后面必须是表示动作或状态的延续性动词。

Exercises Fill with “When” or “While” 1. _______Mary Was talking on the phone, her sister walked in. 2._______ I was dancing, he was singing loudly. 3.I was cleaning my bedroom_______ the fire broke out. while while when

Homework 1. Mary could find her her cat somewhere.(改为否定句) ___________________________________ 2.While I was getting out of the shower ,the telephone rang.(用when改为同义句) ___________________________________ 3. They are doing exercises now.(用this time yesterday改写句子) ___________________________________

(1) I was reading the book. The light was off. (用连词while把两句话连接起来) While I was reading the book, the light was off (2)I was cooking. The door bell rang. (用while把两句话连接起来) The door bell rang while I was cooking

Unit 3 What were you doing when the UFO arrived?