高中英语复习北师大版《探究：过去完成进行时》 课件 (共28张PPT)

探究：过去完成进行时Ⅰ.过去完成进行时一、概念过去完成进行时态主要表示过去某个时刻以前一直在进行的一个动作，它是“过去的过去”开始的动作或状态。She had been suffering from a bad cold before she took the exam.她在考试之前一直患重感冒。二、构成had been＋现在分词I had been looking for a job for six months before I got this one.我苦苦寻找了六个月才找到这份工作。三、用法1．发生在过去某个时间之前的某个动作，且该动作持续了一段时间。I had been looking for it for days before I found it.这个东西，我找了好几天才找到。The politician had been waiting for his visa for days before he got it.这个政治家在拿到他的签证之前，等了好多天。2．过去某一时间之前经常发生的动作。I had often been thinking of you before you came to Shanghai.在你来上海之前，我常常想你。3．直到过去某个时间点还在进行的动作。When he arrived at the station，he found the train had been waiting for passengers.当他到达车站时，他发现火车早已在等候乘客了。She’d only been reviewing her lessons for a short while when her little sister interrupted her.她妹妹打断她时，她温习功课才一会儿。名师指津：(1)过去完成进行时表示在过去某个具体时间之前正在进行的动作，强调动作的持续性，而不是最终结果。It was 10:00 am. The runners had been running since 8:30 am.现在是上午10点，赛跑者从上午8点30分就一直在跑了。(2)过去完成进行时总是表示与另一过去动作或状态之间的关系。用过去完成进行时表示先发生的事件，用一般过去时表示后发生的事件。She had been practising f