过去进行时微课
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过去进行时一、定义1. 表示过去某个时刻正在进行的动作。
He was having breakfast at six o ' clock yesterday morning.2. 表示过去某个时间段正在进行的动作。
He was writing stories the whole morning.二、结构1. 肯定结构:主语+was/were +doing+其它.I was watchi ng TV at eight last ni ght.He was hav ing breakfast at seve n this morning.2. 否定结构:主语+was/were +not +doing+其它.I was not watch ing TV at eight last ni ght.He was not hav ing breakfast at seve n this morning.3. 一般疑问句:Was/Were+主语+doing+其它?(1) Were you watching TV at eight last night?Yes, I was. / No, I wasnt.(2) Was he hav ing breakfast at seve n this morning?Yes, he was. / No, he wasrt.4. 特殊疑问句:疑问词+was/were+主语+doing+其它?三、时间标志词1. at+具体时刻+ 过去时间(at five last Saturday)2. at this time+过去时间(at this time yesterday)3. 过去时间段(from nine to ten last evening)4. at that time/mome nt5. when &while引导的过去时间状语从句四、现在分词复习动词ing的基本变化规则1., 如 do—doing2., 如 have— having, come— coming精品文档口诀:现在分词ing,变法有三般一般直接加,见e去e加<重读辅元辅,双写尾字母。