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1、,英语教学课件系列,Go,for,it!,Unit 5 What were you doing when the rainstorm came?,Section A Grammar Focus,What were you doing when the rainstorm came?,I was taking a shower.,I was sleeping.,I was cooking.,I was cutting hair.,I was reading.,I was in the bathroom.,Where were you when the rainstorm came?,I was
2、in the bedroom.,I was in the kitchen.,I was in the barbers chair.,I was in the living-room.,Grammar Focus,1. 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。,2) 在本单元中, 出现了以when和while引导的时间状语从句。 when表示“当的时候”。从句中既可
3、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 .,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过程中。While 从句中必须是表示动作或状态的延续性动词。如：The weather was fine w
4、hile we were in Beijing .She called while I was out. 如果主句的动作在从句的动作过程中发生， 从句常用进行时。如: While we were swimming someone stole our clothes . Dont talk so loud while others are working.,总结,1) when可指时间点, 又可指时间段, 从句中可用延续性动词, 也可用非延续性动词。2) while总是指一个时间段, 从句中必须用延 续性动词。,1. _ Jennifer was reading a magazine, his
5、sister was listening to the pop music.A. While B. When C. What time 2. I was trying to draw a cat on the board_ the teacher came in.A. while B. when C. what time 3. My best friend visited my house while I _ dinner in the kitchen.A. cooked B. cooking C. was cooking,练一练,A,B,C,4. When _ the car _? In 1
6、885 （2007随州市）A. did; invent B. was; inventedC. does; invent D. is; invented 5. Our teacher wants us to be _ when we talk with the foreigners. (06大连中考真题) A. comfortable B. unusual C. grateful D. confident,B,D,6. Dick gave me a note while I _ in the library. I guess he made it to say “sorry” to you. (
7、2007黄冈市) A. am reading B. was reading C. reads D. will read,B,2. 过去进行时,1. 概念: 表示过去某一时刻或某段时间内正进行的动作。 2. 构成: was/were + 动词现在分词 3. 用法: a: 表示某一时刻正进行的行为, 与特定的过去时间状语连用,常见的时间有: at 8 last night, at this timeat that time, at that moment 等 e.g. What were you doing at 10 yesterday morning?I was writing a lette
8、r to my father at that moment.,b: 表示过去某段时间内正进行的动作。 e.g. We were building a house last winter.They were waiting for you yesterday. 否定句和疑问句： e.g. We were not sleeping at home.Was he feeling well?,3.现在分词的构成,1) 一般动词在词尾加-ing, 如go-going。 2) 以不发音字母e结尾的动词, 先去掉e, 再加-ing。come-coming make-making write-writing
9、3) 以重读闭音节结尾的动词, 如果末尾以一个 辅音字母结尾, 应先双写这个字母, 再加ing， x和w结尾的除外。 如: get-getting swim-swimming show-showing,4) 以字母y结尾的单词, 直接加ing。如carrying、playing、studying。 5) 以字母ie结尾的动词, 变ie为y, 再加ing。die dying lie lying 6) 以元音字母加e结尾, 或以e结尾, 且e发音的动词, 直接加- ing。see-seeing be-being,4.使用进行时态的注意事项,1)一些动词, 如see、hear、love、like、k
10、now、remember; understand、have等表示感情、知觉和状态的词, 一般不用于进行时态。 2) 在there和here引起的句子中, 常用一般现在时代替现在进行时。 e.g. Here comes the bus.There goes the bell.,5. 过去进行时和一般过去时的区别,1) 过去进行时表示过去正在进行的动作, 而一般过去时则表示一个完整的动作。如： They were writing letters to their friends last night. 昨晚他们在写信给他们的朋友。 (没有说明信是否写完) They wrote letters to
11、 their friends last night .他们昨晚写了信给他们的朋友。 (表达了他们已写好的意思, 整个写的过程已完成),2) 当动作延续较长时间时或表示厌烦、赞美等 感情色彩时, 常用过去进行时表示。如： He was thinking more of others than of himself. 他考虑别人的比考虑自己的多。 (表示说话者赞扬的口气) The boy was always making trouble then . 那时, 他总是惹麻烦。(表示说话者厌烦的口气),过去进行时,含义: 表示过去某个时刻正在进行的动作。 结构： was/were + doing 例
12、句： I was having an English class at this time yesterday.,现在进行时,含义: 表示现在正在进行的动作。 结构： is/am/are + doing 例句： I am having an English class.,6.,4a. Look at the table and write sentences with both while and when.,e.g. While John was taking photos, Mary bought a drink. John was taking photos when Mary boug
13、ht a drink.,While John was playing the piano, Mary left the house. John was playing the piano when Mary left the house.,While John was shopping, Mary took the car to the car wash. John was shopping when took the car to the car wash.,While John was cleaning his room, Mary turned on the radio. John wa
14、s cleaning his room when Mary turned on the radio.,4b. Fill in the blanks with was, were, when or while.,At 7:00 a.m., I woke up. _I _making my breakfast, my brother_ listening to the radio. _I was eating, the radio news talked about a car accident near our home. My brother and I went out right away
15、 to have a look. _we got to the place of the accident, the car _ in bad shape from hitting a tree. But luckily, the driver _fine. The roads _ icy because of the heavy snow from the night before.,While,was,was,While,When,was,was,were,4c. What were you doing at these times last Sunday? Fill in the chart. Then ask your partner.,A: What were you doing at nine oclock last Sunday morning? B: I was sleeping. How about you? A: I was doing my homework. B: Youre kidding!,Group work,What were you doing at last Sunday?,
