ID: 23648405

Unit 1 The mass media Section Ⅱ Grammar and usage课件(共99张)+学案(含答案)+练习(含答案)

日期:2025-10-15 科目:英语 类型:高中学案 查看:80次 大小:926035B 来源:二一课件通
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答案,Unit,学案,99张,课件,usage
    (课件网) Section Ⅱ  Grammar and usage 1 重难语法·要攻克 目 录 3 课时检测·提能力 2 核心知识·巧突破 重难语法·要攻克 掌握核心语法 1 过去完成时 1. By this time, the fire had extended to the 15th floor. 2. There is concern that the construction company that built the tower block had not followed fire safety rules. 3. He regularly visited the library and studied English and law — by then he had learned very little English. 4. Pulitzer quickly became a successful journalist and by the age of 25, he had become a publisher. 5. He used the same business strategy he had employed at the St Louis Post-Dispatch ... 【我的发现】 (1)过去完成时用来描述过去某一时间 发生的动作或存 在的状态。 (2)过去完成时由“ ”构成。 之前  had+过去分词  一、过去完成时的定义  过去完成时表示在过去某一时间或事件之前已经发生或完成了的动 作或存在的状态,对过去的某一方面造成了某种影响或结果。 二、过去完成时的构成  基本结构:had+过去分词 1. 肯定句:主语+had+过去分词+其他 By the end of last year, we had produced 20,000 cars. 到去年年底,我们已经生产了两万辆汽车。 2. 否定句:主语+had+not+过去分词+其他 I didn’t know the way to John’s house because I hadn’t been there before. 我不知道去约翰家的路,因为我之前没去过。 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. —Had you organised similar activities before you participated in the activity? —Yes, I had./No, I hadn’t. ———在参加这项活动之前你组织过类似的活动吗? ———是,我组织过。/没有,我没组织过。 4. 特殊疑问句:特殊疑问词(或词组)+had+主语+过去分词+ 其他? Where had you been before you came to China? 你来中国之前还去过哪儿? 【即时演练1】 完成句子 ①I there was nothing more appealing to me than reading books. 我发现没有什么比读书更吸引我的了。 ②John felt rather blue because he on his final exams as he had expected to. 约翰很难过, 因为他的期末考试未能如他所预期的那么好。 ③I heard you began collecting stamps in February.How many stamps ? 我听说你从二月份开始集邮。到去年底你已经收集到多少了? had discovered that  had not done as well  had you collected by the end of last year  三、过去完成时的基本用法 1. 表示在过去某一时间或事件之前已经发生或完成了的动作或存在的 状态,即“过去的过去”。常有by、 before等引导的时间状语作为 标志, 也可以用一个表示过去的动作来表示, 还可以通过上下文 来表示。 I had learnt 5,000 words before I entered the university. 我在上大学之前就已经学了5000个单词。 When the explorer hurried to the destination, the others had already left. 当这名探险者匆忙赶到目的地的时候,其他人已经离开了。 2. 表示从过去某一时间开始,一直延续到过去的另一时间的动作或状 态。常用的时间状语有before、 by then、 by the time、 by the end of、 by the time+从句等。 John and Jane had known each other for a long time before their marriage. 约翰和简在结婚前就认识很长时间了。 We had got everything ready by the time they arrived. 在他们到达之前,我们已经做好了一切准备。 By the end of last term, ... ...

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