高中英语-过去完成时及其被动语态ppt课件

1、过去完成时过去的过去 一、表示在过去某一时间或以前曾经完成了的动作或形状。 当强调过去某一动作发生在另一动作之前，常用此时态。 By the time I got outside, the bus had already left. 二、表示动作在过去某一时间之前开场，不断继续到过去的这一时间，而且还能够继续下去的动作。 三、表达过去发生的事，在已表达了发生的事后，反过来追述，补述更早发生的事。 四、表示过去未曾实现的愿望，计划，意图。构造 had用于各种人称和数+过去分词 1、When I came to Shanghai, he had been there for a long time

2、. 2、I didnt know a thing about the verbs, for I had not studied my lesson. 3、I had intended to call on you yesterday, but I had an unexpected visitor. 主语+had+动词过去分词 一定句:主语+had+动词过去分词+其他. 否认句:主语+had+not+动词过去分词+其他. 疑问句:Had+主语+动词过去分词+其他? 一定回答:Yes,主语+had. 否认回答:No,主语+hadnt. 特殊疑问句:特殊疑问词或词组+had+主语+过去分词+其他?

3、 The bus had already left by the time I got there. The bus had not already left by the time I got there. Had the bus already left by the time I got there? what time had the bus already left?标志词 by then截至到那时 by the end of+过去的时间点 by +过去的时间点, before+过去的时间点 already, just, ever, never, yet when , as soon

4、 as, till/until hardlywhen, no soonerthan,exerrcise 1、He said he (work)in that factory since 1949. 2、I thought I (send)the letter a week before. 3、By the end of last month, I (live) in for 8 years. 4、He said that he (learn) some English before.had worked had sent had lived had learned 5、I arrived la

5、te, I (not expect) the road to be so icy. 6、She said that she (not be) to the Great Wall yet. 7、By the end of last year, they (build) many new houses. 8、By yesterday evening, she (finish) reading the book. 9、He said that he _ (see) you.hadnt expectedhadnt been had built had finished had seen 1、When

6、she got home, her children _ (sleep). 2、Before they arrived here, the film _ (star) already. 3、When I came in, he _ (finish) his homework. 4、What _ Jane _ (do) by the time he was seven? 5、He asked me where I _ (be) during the summer holidays. 6、 I _ (learn) 900 English words by the time I was ten. 7

7、、By the time my parents reached home yesterday, I _ (cook) the dinner already. 8、She _ (write) a number of books by the end of last year.被动语态构造 (1)一定构造：主语+ had been done +其他成分 (2)否认构造：主语+ had not been done +其他成分 (3)疑问句构造：had +主语+ been done +其他成分; 疑问词+ had +主语+ been done +其他成分 The task had been finis

8、hed before 12:00 yesterday. The task hadnt been finished before 12:00 yesterday. Had the task been finished before 12:00 yesterday? What time had the task been finished yesterday?过去完成时被动语态的常用情况： (1)表示过去某一时间以前曾经完成的动作，常与by, before等引导的时间状语连用。 (2)在 told, said, knew, heard, thought等动词之后的宾语从句中，假设表示过去某一被动动

9、作时，用过去完成时。 (3)根据语意可以判别出动作先后的被动语态，用过去完成时。 The classroom hadnt been cleaned before the teacher came. The boy was reminded that his homework had not been handed in. As the assignment had been done, he went on to search the Internet. 1、By the time he got to the school, the first period _(finish). 2、How

10、many buildings _ (destroy) when the hurricane ended? 3、He did what he _ (tell)to. 4、By the end of 1976, many buildings _(build) in the city.had been finished had been destroyedhad been toldhad been built 1、When Li Ming hurried home,he found that his mother _already_(send) to hospital. 2、I thought th

11、e letter _(send) by him a week before. 3、By the end of last year, many new houses_ (build) by them. 4、By yesterday evening, the book_ (finish) reading by her. 5、By the time my parents reached home yesterday, the dinner _(cook) already.总练习 1、When I got to school, the bell _(ring). 2、She found the key

12、 that she _(lose). 3、I returned the book that I _(borrow). 4、The classroom _ (clean) by students when the visitors arrived. 5、The house_ (paint) by us before we moved in. 7、Tom said the book_ (read) by him twice 8、When I arrived at the station, he _(leave). 1、医生到时病人已死了。 When the doctor arrived the p

13、atient had died. 2、我醒了，由于我做了个噩梦。 I woke up because I had had a bad dream. 3、我们到那里时，篮球赛曾经开场了。 When we got there the basketball match had already started. 4、据媒体报道，有上千人在地震中丧生。 The media reported more than 1,000 people had been killed in the earthquake.与如今完成时的区别 如今完成时被动语态表示相对于如今来说已被完成的动作。 过去完成时被动语态表示相对于

14、过去某一时辰来说已被完成的动作。 Eg：This polluted river has been cleaned. 这条被污染了的河流已被净化。 析：该句表示到如今为止这条河流已被净化。 Eg：He said this book had been translated into Japanese. 他说这本书已被译成日语。 析：该句表示到他说话时所表达的时间为止这本书已被译成日语。 Eg：I have learned 1000 English words so far. 到目前为止我曾经学会了 1000 个英语单词。如今的时间 Eg：I had learned 1000 English wor

15、ds till then. 到那时为止我曾经学会了 1000 个英语单词。过去的时间与普经过去时的区别 时间状语不同:过去完成时在时间上强调“过去的过去 而普经过去时只强调过去某一特定的时间。 比较:They had arrived at the station by ten yesterday. They arrived at the station at ten yesterday. 1、当从句由 after，before，when或 as soon as引导时，主句和从句都可以用普经过去时。 When he arrived, he called her. They locked the door before they left.