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课件网) 【知识精讲】过去完成时 六年级 英语 发布课文朗读任务 （任务-发布任务-自定义任务） 过去完成时表示过去某一时间或动作之前已经发生或完成了的动作，它表示动作发生的时间是“过去的过去”。 now future past A B 6:00 7:00 现在 By the time I got up, my sister had already washed all the clothes. 当我起床时我姐姐已经洗完了所有的衣服。 基本构成：had+过去分词 如：When I woke up, it had already stopped raining. Before he arrived, the train had left. By six o’clock yesterday evening, I had finished my work. 我醒来时雨已停了。 他到达之前，火车已经离开了。 到昨天晚上六点，我已经完成了我的工作 。 1.肯定句：主语+had+过去分词+其他. 如：She found the key that she had lost. 2.否定句：主语+had+not+过去分词+其他. 如：He hadn't finished reading the book by the end of last month. 过去完成时构成 她丢失的钥匙找到了。 到上个月末他还没看完这本书。 3.一般疑问句：Had+主语+过去分词+其他？ 肯定回答：Yes, 主语+had. 否定回答：No, 主语+hadn't. 如：He had finished his homework by the time you got there. 过去完成时构成 Yes,he had./ No,he hadn't. Had he finished his homework by the time you got there 1.用by和before引导的短语，如：by that/the time，by …o'clock， by the end of...，before 1993等表示。 如：She had learnt 2, 000 English words by the end of last month. 时 间 状 语 到上个月末，她已经学了2 000个英语单词。 2.用when和before等引导的状语从句表示。 如：I had seen her before she saw me. 3.用he said，he knew或he asked等表示。 如：He said he had never been to Nanjing. 时 间 状 语 在她看见我之前，我已经看见她了。 他说他从没有到过南京。 择优录取。 (将正确答案的序号填在题前括号中) ( )Tina _____ her homework when I came in. A. had finished B. finsh C. have finished 答案：A 用动词的适当形式填空。 He said he _____already_____(give) the book to the teacher. 答案： had given
