过去进行时(已改精讲).ppt
《过去进行时(已改精讲).ppt》由会员分享,可在线阅读,更多相关《过去进行时(已改精讲).ppt(27页珍藏版)》请在课桌文档上搜索。
1、过去进行时,The Past Continous Tense,基本概念:过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。基本结构 主语+was/were+doing+其他内容 注:doing 就是现在分词,词形变化与现在进行时相同,V-ing 变化规则:1)一般加 ing.如:play-playing 玩 watch-watching 看2)以不发音的e 结尾,去e 加ing.如:take-taking 拿 make-making 做 come-coming 来 live-living 居住3)重读闭音节,末尾只有一个辅音字母,先双写再加ing。如:run-running 跑 cu
2、t-cutting 切 swim-swimming 游泳sit-sitting 坐 get-getting 获得 shop-shopping 购物 stop-stopping 停止 win-winning 赢 put-putting 放 forget-forgetting 忘记 begin-beginning 开始,常用的时间状语-判断标志,this morning,the whole morning,all day yesterday,at that time from nine to ten last evening,when,while,just now,at 7 p.m.last ni
3、ght|yesterday,句 型 变 化,肯定句:主语+was/were+doing+其它 否定句:主语+was/were+not+doing+其它 一般疑问句:Was/Were+主语+doing+其它 特殊疑问句:特殊疑问词+was/were+主语+doing+其它,1.I was singing songs yesterday morning.否定句:_一般疑问句:_2.They were drawing pictures when the teacher came in.否定句:_一般疑问句:_3.She was washing the window when the telephon
4、e rang.否定句:_一般疑问句:_,按要求转换下列句型。1.We were having a PE class at four yesterday afternoon.(改为否定句)We _ _ a PE class at four yesterday afternoon.2.Kate was reviewing her lessons at eight last night.(改为一般疑问句,并做肯、否定回答)_ Kate _her lessons at eight last night?_,she _._,she _.,其 它 用 法,1.过去进行时表示现在主要是为了使语气委婉、客气。
5、如:I was wondering if you could give me a lift.我不知你能否让我搭一下车【注】一般过去时也有类似用法,但比较而言,用过去进行时显得更客气,更不肯定。能否让我搭一下车。,2.过去进行时表示感情色彩与现在进行时相似,过去进行时也可表示满意、称赞、惊讶、厌恶等感情色彩,也通常与 always,forever,continually等副词连用。如:(1)、They were always quarrelling.他们老是吵架。(2)、My father was always smoking when he was young.,3.动词be的过去进行时也可表
6、示过去一时的表现或暂时的状态。比较:He was friendly.他很友好。(指过去长期如此)He was being friendly.他当时显得很友好。(指当时一时的表现),S1:What were you doing while Li Jie was getting ready to go out?S2:I was sleeping while Li Jie was getting ready to go out.S1:What were you doing while she was tavelling on the underground?S2:I _ while she was
7、travelling on the underground.,While用法:表示在过去的某个时间,前后两个动作是同时进行的。,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,Practice,When和while用法:描述一件事发生的背景;一个长动作发生的时候,另一个短动作发生。My brother fell while he was riding his bicycle.It was raining when they left the station.,短,短,长,长,过去进行时常与when,while连用,意思是当之时。while后面一般跟延续性动词,常
8、用进行时;when后面既可跟延续性动词,也可跟瞬间动词,常用过去式。,一般过去时与过去进行时的区别,1、一般过时往往表示某一动作已经完成,而过去进行时却表示动作在持续或未完成。比较:She wrote a letter to her friend last night.她昨晚给朋友写了封信。(信写完了)She was writing a letter to her friend last night.她昨晚一直在给朋友写信。(信不一定写完),2、一般过去时表示只做一次动作,而过去进行时却表示动作反复地进行。如:She waved to me.她朝我挥了挥手。She was waving to
9、me.她一直朝我挥手。,3、句中有a moment ago之类的短语一般用一般过去时。4、句中有at this time last Sunday,from 8 to 9 yesterday 之类的状语一般用过去进行时。过去进行时可以用来代替一般过去时,表示更为偶然而非预定的动作:I was talking to Tom the other day 那天我跟汤姆聊天来着。,典型的例子,1)Mary _ a dress when she cut her finger.A.made B.is making C.was making D.makes 答案C.割伤手指是已发生的事情,应用过去时。同 时,
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 过去 进行 已改精讲

链接地址:https://www.desk33.com/p-272944.html