Unit 1 Lesson One Grammarppt课件 -(2022新)人教版高中英语选择性必修第一册.pptx

1、To learn the use of the past perfect tense.To practice past perfect.nowtaught mehad been a subjectpast 1past 2past perfect tense past simple tense Before Mr Jenkins taught me, science had simply been a subject full of strange words to me.Which action happened firsthad been a subject to me or taught

2、me? Read the sentences. Which action happened before the other in each sentence?nowwas very difficult before he came into my classhad heard storiespast 1past 2past perfect tense past simple tense Graham was very difficult before he came into my class. I had heard stories about his bad behavior.Which

3、 action happened first? 过去完成时主要用来表示在过去之前发生的事或者动过去完成时主要用来表示在过去之前发生的事或者动作，作，“过去的过去过去的过去”，常有一般过去时作为参照。，常有一般过去时作为参照。nowI knew had chosen a jobpast 1past 2past perfect tense past simple tense I knew I had chosen a job with a lot of stress.Which action happened first? 构成：构成：助动词助动词had+过去分词过去分词：eg The publi

4、c wondered why the president hadnt attended the top conference.过去完成时过去完成时用法用法:过去过去完成时用来表明在某个时间或动作之前已经发生的动作完成时用来表明在某个时间或动作之前已经发生的动作, 表示时间是表示时间是过去的过去过去的过去。如。如:Up until then they had just finished half the work.He had pressed the button before we could stop him.Read the sentences in Activity 7 again. D

5、ecide which tense is used to talk about:a. an event in the pastb. an event that happened earlier, before the other past event in the story1. Before Mr Jenkins taught me, science had simply been a subject full of strange words to me.2. Graham was very difficult before he came into my class. I had hea

6、rd stories about his bad behavior.3. I knew I had chosen a job with a lot of stress. simple past tense past perfect tenseChoose the sentence that best describes each picture.a. The film began when they arrived at the cinema.b. The film had begun when they arrived at the cinema.ba. The police arreste

7、d the man who was breaking into a jewellery shop.b. The police arrested the man who had broken into a jewellery shop.b6:00 (eat up) 7:00 (get up) nowLast Sunday, I had an unlucky day. By the time I _, my dog _ all my breakfast on the table.got up had eaten up More examples:9:159:35, nowThen I went t

8、o see a film with empty stomach. When I _ at the cinema, the film _ (be) on for 20 minutes.arrived had been arrivebe on After the film, I went to meet a friend whom I _ (not see) since we _. had not seengraduatenot seegraduatedWe had coffee and talked happily. But when I was going to pay for it, I _

9、 (find) my wallet and cell phone _ (steal). What an unlucky day ! had been stolenfound过去完成时与一般过去完成时与一般过去时区别过去时区别过去完成时：过去完成时：时间上强调过去的过去时间上强调过去的过去一般过去时：一般过去时：过去某一特定的时间过去某一特定的时间eg They had arrived home by ten yesterday. 他们昨天他们昨天10点之前到家。点之前到家。 （到家发生在昨天（到家发生在昨天10点之前。）点之前。） They arrived home at ten yester

10、day. 他们昨天他们昨天10点到家。点到家。 The whole class cheered for John. (John / win an award)The whole class cheered for John because he had won an award.The whole class cheered for John because he had run the fastest on Sports Day.Provide an explanation for the situations, using the cues and the past perfect ten

11、se. Then add another possible explanation.1. My car broke down on the way to the beach. (it / run out of petrol)My car broke down on the way to the beach because it had run out of petrol.My car broke down on the way to the beach because it had hit a stone halfway.2. The dog hid under the sofa. (it /

12、 eat the familys dinner)The dog hid under the sofa because it ate the familys dinner.The dog hid under the sofa when it had been scared.3. A car crashed into a tree. (driver / fall asleep)A car crashed into a tree because the driver had fallen asleep.A car crashed into a tree because it had broken d

13、own.4. The Smiths went on a round-the-world trip. (Mr Smith / get a pay rise)The Smiths went on a round-the-world trip because Mr Smith got a pay rise.The Smiths went on a round-the-world trip because Mr Smith had got a promotion.构成构成用法用法例句例句助动词助动词had +过去分过去分词词过去某一时间或过去某一时间或动作之前已经发动作之前已经发生或完成的动作。生或完

14、成的动作。John admitted that he had not finished the homework on time. By the time we got to the station, the train had already gone.在过去某一时间在过去某一时间之前已经开始并之前已经开始并一直持续到那时一直持续到那时的动作或状态。的动作或状态。Lucy had been in China for seven years by the end of last year.过去完成时过去完成时构成构成用法用法例句例句助动词助动词had +过去分过去分词词表示过去没有实表示过去没

15、有实现的愿望、打算现的愿望、打算或意图。如或意图。如hope, think, expect, mean, suppose, intend等。等。Tom had intended to stay in the country for only a year or two, but he has been here for five years or so.使用过去完成时，要有使用过去完成时，要有过去时间过去时间(T2)为参照点为参照点, 过去完成过去完成时的动作发生或完成在这个过去时间参照点时的动作发生或完成在这个过去时间参照点(T2)之前之前, 即即“过去的过去过去的过去”。Read the two texts again and make a short summary about them. You can use past perfect tense when comparing Grahams changes.