（2019版）新人教版选择性必修第二册Unit 3 语法精讲 The past perfect tense ppt课件.pptx

1、语法精讲过去完成时的意义和结构过去完成时的意义和结构意义：意义：过去完成时表示在过去某一时间或事件之前 完成的动作或状态（过去的过去）。基本结构：基本结构：had+过去分词典例分析典例分析肯定句肯定句：主语+had+过去分词例：Jane had just left when you rang.否定句：否定句：主语+ had + not +过去分词例：The country had not yet recovered from the effects of the war.过去完成时的构成：时间分析时间分析理解“过去的过去” ：pastnowpast in the past典例分析典例分析先发生

2、的动作用过去完成时，后发生的动作用一般过去时。例：The film had begun before we got to the cinema.我到达电影院之前电影已经开始了。理解“过去的过去” ：firstsecond典例分析典例分析1. by+过去的时间点例：I had finished reading the novel by nine oclock last night.2. by + the end of +过去的时间点例：We had learned over two thousand English words by the end of last term.和过去完成时搭配的时

3、间状语：典例分析典例分析和过去完成时搭配的时间状语：3. before+过去的时间点例：They had planted six hundred trees before last Wednesday.固定表达固定表达1. It was the first time +that(从句中用had done)例：It was the first time that he had ever spoke to me in such a tune.2. hardlywhen; no soonerthan（主句中用had done）例：He had no sooner left the room than

4、 they began to talk about him.固定句式1. After he _ (finish) his homework, he went to bed.2. The class _(begin)when I got to school.3. He _(leave) before I got home.4. It was the second time that he _(visit) Paris.语法填空。语法填空。考点追击考点追击had finishedhad begunhad lefthad visited语法精讲过去完成时的被动语态过去完成时的被动语态意义：意义：过去

5、完成时的被动语态表示表示在过去某一时间或事件之前 完成的被动的动作（过去的过去）。基本结构：基本结构：had + been +过去分词典例分析典例分析肯定句：肯定句：主语+ had + been +过去分词例：The classroom had been cleaned before the teacher came.否定句：否定句：主语+ had + not + been +过去分词例：The classroom had not been cleaned before the teacher came.过去完成时的被动语态的构成：典例分析典例分析先发生的动作用过去完成时，后发生的动作用一般过

6、去时。例：By the time the tornado ended, more people had been killed.我到达电影院之前电影已经开始了。理解“过去的过去的被动” ：firstsecond典例分析典例分析1.表示过去某一时间以前已经完成的被动动作，常与by，before等引导的时间状语连用。例：By the time he got to the school, the first period had been finished.How many buildings had been destroyed before the hurricane ended?过去完成时的被

7、动语态常用于以下情况：典例分析典例分析2. 在told，said, knew, heard, thought等动词后的宾语从句中， 若表示过去某一被动的动作时。例：They said the production costs had been reduced.The boy knew that his homework had not been handed in.过去完成时的被动语态常用于以下情况：1.After the assignment _(do), he went on to surf the Internet.2.The media reported that more than 1000 people _ (kill) in the earthquake.3.Had the new plan_(discuss) before the manager came in？ 4.We hurried to the station only to be told that the train _(delay). 语法填空。语法填空。考点追击考点追击had been donehad been killedhad been delayedhad been discussedBye-bye!