八年级英语下册Unit3when及while课件人教新目标版.pptVIP

What are you doing now?what is he/she doing now? Groupwork: What were you doing when you heard the news? Liu Xiang won the gold medal at the 2004 Olympics I was … Groupwork: What were you doing when you heard the news?Yang Liwei flew around the earth on October 15, 2003. Unit 3 Grade 8 What were you doing when the UFO arrived? UFO: Undentified Flying Object UFO：Unidentified Flying Object?? 不明飞行物 ????1947年6月24日，一名叫做阿诺德的美国商人，架着一架小型飞机在华盛顿州上空，发现一组巨型不明飞行物以1000公里左右的速度，同他一起在空中翱翔。阿诺德的有关目击报告第一次引起公众的兴趣，从此“飞碟”或UFO便迅速流传开来。 (do my homework) (visit my aunt) (play soccer) What was she doing when the UFO arrived ? What were they doing when the UFO arrived? Ask and answer in pairs  Where were you at 6:00 yesterday evening? What were you doing ? 1 in a river swimming 2 in a park playing basketball 3 in a shop doing some shopping 4 at home cooking 5 at home watching TV 6 at home doing my homework What was he/she doing at ten o`clock yesterday morning? How many people were talking in the conversation? There were four people.(policeman,Mr Green,Mrs Black,Mr Brown) What was Mr Green doing at 8:00 yesterday morning? He was going home from a meeting. What was Mrs Black doing at 8:00 yesterday morning? She was still working in her company. What was Mr Brown doing at 8:00 yesterday morning? He was watching TV with his wife. ??5. 以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、hit、jump、knock等。 5. 以when和while引导的时间状语从句 ?2）在本单元中，出现了以when和while引导的时间状语从句。 ????1 when表示“当……的时候”。从句中既可用延续性动词，又可用非延续性动词，这些动词既可以表示动作，又可表示状态。从句中的动作既可和主句的动作同时发生，又可在主句的动作之前或之后发生。如： ????Mary was having dinner when I saw her . ????The boy was still sleeping when his mother got home yesterday morning . 5. 以when和while引导的时间状语从句 ??2 while表示“在……的时候”、“在……期间”。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作