初二第三单元复习解析.ppt

Look at the pictures of these famous events. Talk about them in small groups. When did they happen? What were you doing, or where were you when you heard the news? Tell us your feelings. * What were you doing when the UFO arrived? 表示过去某个时刻正在进行的动作或存在 的状态。 be (was / were) + doing this time yesterday, at five yesterday, from 7 to 9 last night, when… ,while… I was doing homework at six last night. She was reading when I came in. While we were having supper, he was sleeping 过去进行时 含义： 结构： 时间状语： 例句： Ⅰ. 用括号里所给单词的适当形式填空： 1. The girl ______________ (watch) TV at seven yesterday evening. She ____________ (do) her homework at that time yesterday. We _____________(have) supper when the phone rang. The phone rang while she ________________. (sleep) My sons _____________(play) with the cat when I was in the kitchen. While the girl was shopping, the alien ____________(get) out. The boy was walking down the street when a UFO _________( land). Go and see who ___________ (cry) in the next room. He ________( get ) a tutor because his English is not good enough. He ____________( write ) a letter at five yesterday. was watching was doing were having was sleeping were playing got landed is crying will get was writing at seven yesterday evening. at that time yesterday. when the phone rang. Go and see because his English is not good enough. when 和while when 和while 引导的时间状语从句，表示“当…的时候” When引导从句中的动词既可是延续性动词，也可是非延续动词，While引导的从句中谓语动词常用延续性动词，主从句动作同时发生。 1. 昨天当老师进来时，我正在听音乐。 I ______ _____ ______music when the teacher_______ _________. = While I _______ _____ ________ music,the teacher_______ ________. 2. 昨天当我写作业的时候，妈妈正在做饭。 My mother________ ________ while I _______ ________ my homework. 3. Who’s looking after your sister while your mother_____? A. works B. worked C. was working D. will work was listening to came