Unit 5 基础知识+基础练习 2022-2023学年人教版英语八年级下册

Unit 5 What were you doing when the rainstorm came ? 过去进行时 语法讲解: 过去进行时 I.定义:表示在过去某一时刻或某一段时间内正在进行的动作。 II.构成:was/were + v-ing III.句型结构: 否定句:主语+was/were + not + v-ing +... 一般疑问句:Was/Were + 主语+ v-ing + ...? 回答:Yes, 主语+ was/were; No, 主语+wasn’t/weren’t. 1.I was cooking my dinner when the phone rang.(变为否定句、一般疑问句、提问) 2.They were listening to the report when it was 4 o’clock in the afternoon.(同上) IV. 时态标志: at that time this time yesterday/last week/last Sunday at the time of …. when+一般过去时的时间状语从句等。 1. When I got home yesterday afternoon, it _(rain) hard. 2. We _(talk) about the book at the time of the earthquake. 3. What _ you _(do) from 5:00 to 6:30 last night? 4. Mr. Wang with her daughter _(have) breakfast this time yesterday. 5. - Why did the policeman stop your car? 温馨提示:注意语境 - I _(make) a call at that time. What a bad day! V. while 与when 引导的时间状语从句的区别 从句V 从句时间 when 延续、非延续 时间点、时间段 while 延续 时间段 注: 1.when 这时,突然 =at the moment 主句为过去进行时态,从句为一般过去时, 常用于描述故事的开头 The day before yesterday, we were playing basketball when it began to rain. 2.while 有时表对比。 I like English while my sister likes French. 3. 常见非延续性动词:die, leave, stop, come, go, buy,start, begin 常见延续性动词:wait, keep, stay, live, study, work a. We were reading English when the teacher _ (come) into the classroom. b. When Kate _(walk) on the street, she found a wallet lying on the ground. c. While I _(play) the piano, she was dancing. d.The telephone rang, while she _(read) VI. 过去进行时与一般过去时的区别 过去进行时表示在过去某一时刻或某一段时间内正在进行的动作,强调动作正在进行; 一般过去时表示过去发生的动作,多侧重于动作已经完成。 a.The students _(go) out to do sports after they _(finish) their homework. b.She used to like buying something useless while she _ (hang) out with their friends. c.Tom _ (write) his diaries when he_( hear) from his father. 单项选择: ( )1. When Jim’s mother came in, he _ his homework. A. is doing B. did C. was doing D. does ( ) 2. - Lisa, I called you just now. Where were you? - Sorry. I _ a shower. A. take B. am taking C. was taking D. took ( ) 3. Sally took a photo of her frie