新的一学期又开始了，亲爱的同学们也将步入紧张而充实的初三最后一学期的生活。初三是一个神秘的名词，它又是三年学习中终期的一个代名词。人生的道路虽然很长，但关键的往往却只有几步，而初三就是这关键几步中的第一步。我们只有迈好这一步，才能顺利通往人生的顶点。同学们，初三是机遇，初三是挑战，初三这座大山就横在我们面前。为此，我们只能选择拼搏，不能后退!寒窗九载，只剩最后一搏，同学们，再加一把劲，每天进步一点点，那就是成功，只要不放弃追求，就永远不会被打败。
过去完成时态
1)过去完成时态的构成：
肯定式：had + 动词的过去分词
否定式：hadn‘t + 动词的过去分词
疑问式：Had … + 动词的过去分词
简略回答:
Yes, 主+ have/has had.
No, 主+ had现在完成时的用法
过去完成时的用法：
1、表示在过去某一时间或动作之前已经发生或完成的动作。他表示的时间是―过去的过去‖常与by last year, by the time of yesterday,等连用。如：
She said she had seen the film 4 times.
When Mr Li got to the classroom, all the students had begun reading.
By the time they arrived, the bus had left.
2、表示从过去某一时间开始一直延续到过去另一时间的动作或状态。常与for (后跟段时间)或since (后跟点时间)等连用.如:
She had worked in this school since it opened 25 years ago.
例题解析：举一反三，学的更轻松!
1. He ______ in Shanghai University for four years before he ______ Beijing.
A. studied, had gone B. had studied, went C. has studied, goes D. had studied, had gone
解析：―他去北京之前在上大学学习了4年‖。在上海学习的动作发生在去北京之前，因此第一个空应用过去完成时。此题选B。
2. Mary said it was at least five years since he ______ a good drink.
A. enjoyed B. was enjoying C. had enjoyed D. would enjoy
解析：It was + 时间段+since 引导的从句中用过去完成时。应选C。
3. Xiao Pei said she ______ Hainan for 3 months. A. has been in B. had been in C. had been to D. had gone to
解析：―小培说她去了海南三个月‖。have been to 和have gone to 都是短暂性的动词短语。所以适应表示状态的have been in. 应选B.
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