1、Unit 5 What were you doing when the rainstorm came?Review一.重点句型1.---Whatwereyoudoingateightlastnight?昨晚8点你在干什么?---Iwastakingashower.我在洗淋浴。Atthismomentyesterday,Iwaspackingforcamp.昨天这个时候,我正在收拾东西去露营。WhenIcametoseeherlasttime,shewaswritinganarticle.上次我来看她的时候,她正在写一篇文章。Whatwereyoudoingatei
5、wassleeping,JennywashelpingMarywithherhomework.琳达在睡觉的时候,珍妮正在帮玛丽做作业。二.重点语法1.when和while讲解(1) 主句(过去进行时)+ when + 从句(一般过去时) ■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,常跟一般过去时。 The boy was still sleeping when his mother got home yesterday morning. 昨天早上当她的母亲到家时男孩仍然在睡觉。 (2) 主句
6、(一般过去时)+ while +从句(过去进行时) ■While表示“在……的时候”“在……期间”。while从句中必须是表示动作或状态的延续性动词,常跟过去进行时。 The weather was fine while we were in Beijing. 当我们在北京时天气很好。 (3)主句(过去进行时)+ while +从句(过去进行时) ■表示两个同时持续的动作。 I was doing my homework while he was listening to music.我在做作业而他在听音乐。 【when 与while 专题练习】一、单选1
7、. When I got there, he ______ them to dance. A. is teaching B. teaches C. taught D. was teaching 2. We were reading the newspaper______suddenly the light went out.A. when B. while C. as D. / 3. Newton was playing under an apple tree ______ an apple fell onto his head A. after B. be