Unit 5 Wild animals Grammar：过去进行时（同步课件）英语新教材沪教版五四学制七年级下册

语法单元 Unit5 Wild animals 教师______ 学校______ 过去进行时 目 录 1 定义 2 构成形式 3 时间状语 4 用法 一、定义： 过去进行时是表示过去某个具体时刻正在进行的事情或动作。过去进行时的用法与现在进行时相仿。 过去进行时 过去进行时描述在过去某个特定时间或事件发生时正在进行的动作或状态。 发生在过去 正在进行 或持续到将来 过去时间 现在 1. 过去进行时是发生在过去的一个时间段里。 2. 动作一定是正在进行着的。 过去进行时的构成形式 二、过去进行时的构成形式 肯定句：主语 + was/were + 动词的现在分词 + 其他成分。 She was singing a song at that time. They were playing football when it started to rain 过去进行时的构成形式 肯定句：主语 + was/were + 动词的现在分词 + 其他成分。 She was singing a song at that time. She was not singing a song at that time.(wasn’t) They were playing football when it started to rain They were not playing football when it started to rain(weren’t) 否定句：主语 + was/were + not + 动词的现在分词 + 其他成分。 过去进行时的构成形式 一般疑问句：Was/Were + 主语 + 动词的现在分词 + 其他成分？ 特殊疑问句：特殊疑问词 + 一般疑问句 + 其他成分？ Were you listening to music at that time? Was she dancing when he came in? What were you doing at eight o'clock last night? 常与过去进行时连用的时间状语 this morning(早上)； the whole morning（整个早上） all day yesterday（昨天一整天）； last evening（昨晚） when（当……的时候）； while（正在…） this time yesterday（昨天这个时候）； at that time（在那时） last Saturday（上周六）；from nine to ten（从早上9点到10点） 三、过去进行时的时间标志 When 和While 引导的时间状语从句 共同点 不同点 when 都可以引导时间状语从句，意为“当......的时候” 引导时间状语从句时，既可以表示时间点，也可以表示时间段；从句中的谓语动词既可以是非延续性动词，也可以是延续性动词.（多用于过去时态） while 引导时间状语从句时，从句只表示时间段；从句中的谓语动词必须用延续性动词。（多用于进行时态） 延续性动词 非延续性动词（短暂性） 表示能够延续的动作。 表示行为的结果，动作发生后就立即结束。 sing、wait、watch等 open、begin等 When I arrived at school，Lily was cleaning the classroom. The students were reading books when the teacher came in. 从句 从句 主句 主句 从句：一般过去时（when+短暂性动词） 过去进行时和 when 连用 A was/were +doing sth when B +did sth. 主句：过去进行时 长时动作 短时动作 While Tom was playing Ping-Pong,the bell rang. I fell while I was running at the playground. 从句 主句 主句 从句 过去进行时和 while 连用 A did+ sth while B + was/were +doing sth 短时动作 长时动作 从句：过去进行时（while+延续性动词） 主句：一般过去时 While Amy was sleeping,Tom was doing his homework. My mother was cooking while my father was watching TV. 从句 从句 主句 主句 同时发生 过去进行时和 while 连用2 A was/were +doing sth while B + was/were +doing sth 长时动作 长时动作 从句：过去进行时（while+延续性动词） 主句：过去进行时 when VS while 1.___________she was talking on the phone,her sister walked in. 2.___________I found my dog,it was playing with another dog. 3.__________I got home,mother was cooking. 4.__________I was reading,he was writing quickly. While When When While 四、过去进行时的用法 1、表示在过去某一时刻正在进行的动作。 She was singing a song at that time. 过去 at 9:00 现在 将来 常与表时间点的时间状语 at+时间点+过去时间 at that time at that moment at this time+过去时间 when引导 的时间状语 过去进行时的用法 2、表示在过去某一段时间内一直在进行 的动作。 ‌I was watching TV at home last night.‌ 过去 现在 将来 常与下面的时间状语 this morning the whole morning all day yesterday from...to...+过去时间 when/while引导时间状语 过去进行时的用法 3、与现在进行时相似，过去进行时也可以表示满意、称赞、惊讶、厌恶等感情色彩，通常与always, forever, continually等副词连用。 She’s always helping people. 她总是帮助别人。(表赞扬) The boy is constantly lying. 这孩子老是说谎。(表厌恶) 过去进行时的用法 4、表示按计划、安排过去将要发生的事 常用于come、go、leave、start、arrive等表示位置转移的动词。 He told me that he was going soon. She asked him whether he was coming back for supper. 过去进行时的用法 5、在复合句中，如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时。 ‌While he was waiting for the bus, he was reading a newspaper.‌ ‌He was cleaning his car while I was cooking.‌ 这种用法强调了两个动作的同时进行或延续状态，使句子更生动具体 exercise 1. — Where did you put the car keys? — Oh, I ______ I put them on the chair because the phone rang as I ______ in. A. remembered; come B. remembered; was coming C. remember; come D. remember; was coming 分析：答案为D。第一空用一般现在时，指的是“现在”还记得; 第二空用过去进行时，指的是当时正在做的事。 exercise 2. I ______ along the street looking for a place to park when the accident ______. A. went; was occurring B. went; occurred C. was going; occurred D. was going; had occurred 分析：答案为C。第一空用过去进行时，表示过去正在发生的情况; 第二空用一般过去时，表示过去突然发生的一件事。 exercise 3. —I saw Jane and her boyfriend in the park at eight yesterday evening. —Impossible. She ______ TV with me in my home then. A. watched B. had watched C. would watch D. was watching 分析：答案为 D。表示过去正在进行的动作，用过去进行时。第二句的意思是：不可能。她当时与我一起在我家看电视。 exercise 4. —Is there anything wrong, Bob? You look sad. —Oh, nothing much. In fact, I ______ of my friends back home. have just thought B. was just thinking C. would just think D. will just be thinking 分析：答案为B。指刚刚在想念老家的朋友，故用过去进行时。 exercise 5. —Did you watch the basketball match yesterday? —Yes, I did. You know, my brother ______ in the match. A. is playing B. was playing C. has played D. had played 分析：答案为B。此处用过去进行时表示当时正在进行的情况。 Exercise 用所给动词的适当形式填空： 1. We _________ (wash) our clothes at six yesterday evening. 2. While Ann ________ (talk) with her desk mate, the teacher came in. 3. –What ______ you _____ (talk) about just now? -We were talking about the movie. was washing was talking were talking Exercise Choose “when” or “while” to fill in the blanks. (1)I was walking in the street ______ the accident happened. (2)______ you came in, he was talking mobile phone. (3)______ the rainstorm came, I was waiting for the bus. (4)______ I was doing my homework, the telephone rang. (5)______ it was raining, the plane took off. when When When While While see you again $$