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初中英语人教版八年级下册过去进行时.docx

发布:2022-03-29约3.06千字共3页下载文档
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语法精讲六:过去进行时 一、定义 过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作,常和表 过去的时间状语连用。 例:I was doing my homework at this time yesterday. 昨天的这个时候我正在做作业。 二、构成句式 肯定形式:主语+was/were+V-ing 否定形式:主语+was not (wasnt)/were not (werent)+V-ing 3.疑问形式:Was/Were+主语+V-ing 三、基本用法、 过去进行时表示过去某一段时间或某一时刻正在进行的动作。常与之连用的时 间 状 语 有 , at that time/moment, (at) this time yesterday (last night/Sunday/week…), at+点钟+yesterday (last night / Sunday…),when sb. did sth 等时间状语从句, 例:What were you doing at 7p.m. yesterday? 昨天晚上七点你在干什么? I was cooking when she knocked at the door. 她敲门时我正在做饭。 当两个一长一短的动作在过去某时间同时发生时,用过去进行时表示较长的 动作。过去进行时可用于主句,也可用于从句。 例:It was raining hard when I left my office. 当我离开办公室时,雨下得正大。 They were watching TV when the lights went out.停电时,他们刚好在看电视。 过去进行时表示过去将来的动作 例:She went to see Xiao Li. He was leaving early the next morning. 她去看小李。他第二天一早就要离开此地了。 表示过去的一段时间内持续进行的动作。 例:He was watching TV from 7 to 9 last night. 他从昨天晚上 7 点到 9 点一直在看电视。 四、一般过去时与过去进行时的用法比较: 1.一般过去时表示“在过去某个时间发生的动作或存在的状态”,而过去进行时 则表示“在过去某个特定时间正在进行的动作”。 例:Tom wrote a letter to his friend last night. 汤姆昨晚给他的朋友写了封信。(信写完了) Tom was writing a letter to his friend when I called him last night. 昨晚我给汤姆打电话的时候他正在给他的朋友写信。(强调了动作的正在进行) 2.一般过去时只表示过去做过的事,强调一个动作的完成,而过去进行时则强调动作的连续性。 例:The children watched TV yesterday evening.昨天晚上孩子们看了电视。 The children were watching TV yesterday evening.昨晚孩子们整晚都在看电视。 五、注意 when 和 while 的用法及区别 ①when 既可以指时间点也可以指时间段,引导的状语从句中动词既可以是短暂性也可以是延续性,而 while 只可以指时间段,且状语从句中动词必须用延续性。 ②when 说明从句的动作与主句动作可以是同时发生也可以是先后发生,而 while 则强调主从句的动作同时发生。 例:They were singing while we were dancing in the party.、 ③when 和 while 可以做并列连词,when 表示“在那时”,while 表示“而,却” 例:The children were playing there when I passed by. He is strong while his brother is weak. 通常不能用于过去进行时的动词主要有:agree, be, believe, belong, care, forget, hate, have, hear, know, like, love, mean, mind, notice, own, remember, seem, suppose, understand, want, wish 等。例:误:I was knowing the answer. 正:I knew the answer. 我知道答案。 六、练习题 1.I a meal when you me. a. cooked, were ringing b. was cooking, rang c. was cooking, we
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