现在进行时与过去进行时ppt课件.ppt

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1、What are they doing now?What is Maria doing?What are the children doing?,中学英语时态,一、现在进行时The Present Continuous Tense,二、过去进行时The Past Continuous Tense,蓝色高职考总复习（Page90-91）走向高职（Page 40-41）,现在进行时 概念：说话时正在进行的动作或当前一段时间正在进行的动作常用时间状语：now,these days 提示词（look,listen）动词构成:am/is/are+现在分词(-ing)am/is/are working否定

2、构成：am/is/are+not+现在分词一般疑问构成及简答：Am/Is/Are+主语+现在分词+其它？Yes,I am(he is.)No,they arent句式举例：We are having an English class.We _a math class.Are you having an English class What are you doing now?,arent having,What is he doing in the picture?,I guess he is_.I think he is_.Is he _?,playing basketball,playin

3、g basketball,playing basketball,He is doing something outdoors.,Lets play a game,(1)stay listen work spend(2)make take ride operate(3)sit begin run stop(4)lie tie die(5)prepare tire bore cure(6)prefer water,现在分词的构成+ing：,ing,ing,ing,ing,making,taking,sitting,operating,riding,beginning,running,stoppin

4、g,走向高职page 40 lying tying dying 改 ie为 y加ing,preferring,watering,preparing,tiring,curing,boring,(1)stay listen work spend(2)make take ride operate(3)sit begin run stop(4)lie tie die(5)prepare tire bore cure(6)prefer water,现在分词的构成+ing：,Do exercise I,现在进行时的用法,1、现在进行时的基本用法：a.表示现在(指说话人说话时)正在发生的事情。We are

5、waiting for you.b.习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。Mr.Green is writing another novel.(说话时并未在写，只处于写作的状态。)c.进行时表将来：go,come,start,move,leave,arrive等词可用进行 时表示按计划即将发生的动作.He is moving to the south./Are they leaving for Europe?d.与always,constantly,forever 等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的主观色彩。You are always cha

6、nging your mind.2、注意：有些表示感觉、情感和状态的词，如：know,have,like,love,hate,want,hope,think,hear,understand,believe,see,smell,taste等，没有进行时(高职考Page 91)。,走向高职（Page 41),Do Exercise II,Lets enjoy a story,One day Alice was sitting by the river with a book,but she wasnt reading it.Suddenly a white rabbit ran past her.

7、It was looking at its watch,because it was going to a tea party.Then Alice fell down a rabbit hole and went into their strange world.,用法：过去某一时刻或某一段时间内正在发生 的动作常用时间状语：at this time yesterday,at that time,at ten oclock yesterday或when，while引导的从句动词构成：was/were+现在分词(-ing)以work为例：was/were working否定构成：was/wer

8、e not+现在分词(doing)一般疑问构成及简答举例:Was/Were+主语+现在分词+其它？Yes,I was.No,I wasnt.特殊疑问句举例：What were you dong this time yesterday?Where was he standing when the teacher came in?,过去进行时,Fill in the blanks according to the following pictures:Time:5 oclock yesterday afternoon,dance,play football,fish,She at 5 oclock

9、 yesterday afternoon.,They at 5 oclock yesterday afternoon.,He at 5 oclock yesterday afternoon.,were dancing,was playing football,was fishing,Fill in the blanks.(In the picture,it was 4 oclock yesterday afternoon.),Bill and Tom.A cat on the floor.Ann something on the book.Kate a book.Dave coffee wit

10、h his friend Diana.Andy and Tony.,were playing football,was sleeping,was writing,was reading,was drinking,were playing chess,What were you doing when I came into the classroom?I _ when you came intothe classroom.,Lets do some exercises!,While we were sweeping the floor,the teacher came in.When the t

11、eacher came in,we were sweeping the floor.While my mother was cooking,I was watching TV.While the students were having English,he was playing basketball on the playground.,While表示是一段较长的时间段或一个过程,后面的动词必须是廷续性动词,强调主句的动作是在从句所表示的时间内发生的.而when更强调事情发生的时间点.,when 与while 的区别:,当while前后两个动作都需要一个过程,此时都用过去进行时,表示对比.

12、(不能用When).,检查,When,While1._ we were having supper,the light went out.2 I was walking in the street _ someone called me.3.My brother fell _he was riding his bicycle and hurt himself.4.It was raining _they left the station.5._ I got to the top of the mountain,the sun was shining.6._ my mother was clea

13、ning the room,I was doing my homework.,While,when,When,while,when,While,1、含义不同：I was writing a letter last night.昨晚我在写信。（可能没有写完）I wrote a letter last night.昨晚我写了一封信。（已经写完）He was catching up with his classmates.他正在追赶他的同学。（正在赶，可能还没有赶上）He caught up with his classmates.他赶上他的同学了。（已经赶上）,过去进行时和一般过去时的区别：,2、

14、时间状语不同：一般过去时 yesterday,last week,an hour ago,the other day,in 1982,just now过去进行时 at this time yesterday,the whole morning,from nine to ten last evening when,while,1.Last night,I saw/was seeing my friend John.It was his birthday and he was having a party.,Choose the correct form of the verbs.,2.At fi

15、ve oclock,my sister and I watched/were watching TV.There was a very good programme on.,3.Suddenly,all the lights in my house were going off/went off.There was a big storm outside.,4.I wasnt knowing/didnt know Mary until she started going to my school.,5.What did you do/were you doing at ten oclock l

16、ast night?,saw,were watching,went off.,didnt know,were you doing,那是一个漆黑的夜晚，风刮得很厉害，雨下得很大，一个解放军战士突然出现在河岸上，他想过河去。A:It was a dark night.The wind was blowing hard and the rain was falling heavily.A PLA mansuddenly appeared on the river bank.He wanted to cross the river.B:It was a dark night.The wind blew

17、 hard and the rain fell heavily.A PLA mansuddenly appeared on the river bank.He wanted to cross the river.,用来描写故事发生的情景时用过去进行时更生动。,Which one is better?,Try telling a story using the past continuous tense,At 11:00 a.m.last Sunday,_.,Try telling a story using the past continuous tense,She_ someone swim

18、ming at 11:10 a.m.last Sunday.,Try telling a story using the past continuous tense,At 11:15 a.m.last Sunday.A thief _ while she _.,Try telling a story using the past continuous tense,At 11:20 a.m.last Sunday.,Try telling a story using the past continuous tense,Homework:1.Choose one of the following:a.Write four sentences about the pictures.b.Write a story according to the pictures.(注意时态)2.Review the future indefinite and the past future indefinite.3.Prepare the dictation.,