Unit 2 Using language 课件--高中英语外研版（2019）必修第一册.pptx

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1、Review:tenses2020.10.11一般现在时一般现在时Lawyers help people and are respected by others.Mary is good at music.Something that happens regularly in the present形式：主语形式：主语+do/does；主语；主语+is/am/are 功能：用来描述功能：用来描述 A.现在经常发生的或习惯性现在经常发生的或习惯性动作；动作；B.现在存在的特征或状态；现在存在的特征或状态；C.客观事客观事实或普遍真理。实或普遍真理。例如：例如：a.They walk to sch

2、ool everyday.b.The lion is a large animal of the cat family.c.Light travels faster than sound.一般过去时一般过去时.you said that you wanted to be a professional football player.My father was very busy last week.Something that was completed in the past形式：主语形式：主语+did；主语；主语+was/were功能：用于描述功能：用于描述 A.过去某个时间发生的动作过去

3、某个时间发生的动作或产生的状态；或产生的状态；B.过去经常发生的或习惯性过去经常发生的或习惯性动作。动作。例如：例如：a.I got up at 6:30 yesterday.b.When I was a teenager,I played table tennis almost every day.一般将来时一般将来时.you will have two options for your future.I shall speak at the meeting tomorrow.Shall we start to work?What are you going to do next Sunda

4、y?Who is to clean the classroom today?Im leaving for Beijing next month.Something that is certain to take place in the future.形式：主语形式：主语+will/shall；主语；主语+am/is/are+going to do；主语；主语+am/is/are+to do；主语；主语+am/is/are+doing功能：用来描述功能：用来描述 A.将来要发生的动作或产生将来要发生的动作或产生的状态；的状态；B.计划、打算、决心去做某事；计划、打算、决心去做某事；C.即即将发

5、生或肯定要发生某事。将发生或肯定要发生某事。例如：例如：a.He will come tomorrow.b.Mary and Jane are going to see the film tonight.c.You are to hand in your papers by 10 oclock.现在进行时现在进行时Grandfather and Father,seated at the table,are playing chess.Something that is currently taking place.形式：主语形式：主语+am/is/are+doing功能：用来描述功能：用来描述

6、 A.此时此刻正在进行的动作；此时此刻正在进行的动作；B.当前一段时间正在进行的动作。当前一段时间正在进行的动作。例如：例如：a.We are waiting for you now.b.We are making model planes these days.现在完成时现在完成时.you have found the career that suits your talents.形式：主语形式：主语+have/has+doneSomething that starts in the past and is affecting the present.功能：用来描述功能：用来描述 A.过去发

7、生的动作对现在产过去发生的动作对现在产生的结果、影响；生的结果、影响；B.过去的动作或状态持续到过去的动作或状态持续到现在。现在。例如：例如：a.He has lost his wallet.b.She has been busy with her work since last week.过去将来时过去将来时He said he would come back the next day.He was going to play tennis that afternoon.As I was to leave next day,I went to bed early on Tuesday eve

8、ning.功能：通常指按过去的计划、安排即将在某一功能：通常指按过去的计划、安排即将在某一过去时间发生的事态。过去时间发生的事态。形式：主语形式：主语+would+do；主语；主语+was/were going to+do；主语；主语+was/were to+do过去进行时过去进行时When I went downstairs,they were eating breakfast.形式：主语形式：主语+was/were+doinga.表示过去某一时刻正在进行的动作表示过去某一时刻正在进行的动作 What were you doing yesterday at seven p.m.?b.表示过去

9、某一阶段一直进行的动作表示过去某一阶段一直进行的动作 From 1983 to 1988,he was teaching at Yale.c.指过去某一阶段暂时性的习惯指过去某一阶段暂时性的习惯 George was getting up at five every day that week.d.表示按照计划安排即将发生的过去将来事态。表示按照计划安排即将发生的过去将来事态。They were leaving a few days later.The summer vacation was drawing near,but nobody knew where they were going

10、for the holiday.过去完成时过去完成时I had written the article when they came.形式：主语形式：主语+had+donea.表示一个动作或状态在过去某时之前已经完表示一个动作或状态在过去某时之前已经完成或结束成或结束He knew he had met her before.Tom flew home,but his father had already died.b.在过去某时之前已经开始，一直延续到这一在过去某时之前已经开始，一直延续到这一过去时间，而且到那时还未结束，仍有继续下过去时间，而且到那时还未结束，仍有继续下去的可能去的可能By

11、 six oclock they had worked twelve hours.She said that she had made much progress since she came here.In 1960,Id known him for ten years;I met him for the first time in 1950.现在完成在完成进行行时vs过去完成去完成进行行时现在完成进行时：现在完成进行时：主语主语+have been+doingIve been writing letters for an hour(and Ive still got some more to do).Ive been sitting in the garden(and have just come indoors).过去完成进行时：过去完成进行时：主语主语+had been+doingId been working for some time when he called.How long had it been raining before you shut the window?