现在完成时语法练习课 新目标ppt课件

1、Welcome to our class-如今完成时态语法练习课时态不同时间发生的动作，动词要用不同方式已学习过的时态名称时间动动词形式一般现在时平时，经常1.v原形 2.v+s/es（三单现）现在进行时正在进行am/is/are+v-ing一般将来时即将，计划1.will/shall+v原形2.am/is/are going to +v原形一般过去时过去（与现在无关）1.v-ed（规则动词）2.不规则动词过去进行时过去某一时间，在进行was/were+v-ing1.v原形 2.v+s/es三单现 am/is/are+v-ing1.will/shall+v原形2.am/is/are going

2、 to +v原形1.v-ed规那么动词2.不规那么动词was/were+v-ing判别以下句子的时态1.She works in a factory.2.I was doing my homework at this time yesterday.3.We are going to have a picnic this Sunday.4.They held a sports meeting last week.5.Are you helping your mother ?普通如今时过去进展时普通未来时普经过去时如今进展时动词的过去分词方式1.规那么动词2.不规那么动词finish-finish

3、ed-finishedlive-lived-livedcarry-carried-carriedstopstopped-stoppedEg.gowentgonesee-sawseenforgetforgot-forgotten 表示阅历或阅历。常与ever或never连用。如： Have you ever been to Hong Kong? Ive never traveled by air. 用 法 I have already written to her. She hasnt spent much time on it yet. 表示刚刚发生过的动作或事情，常与just连用。 They

4、 have just sent us a telegram. She has just come here. 表示最近发生的动作或情况。常与yet或already连用。如： 表示过去发生，目前还有能够仍在继续下去的动作或事情。常与since或for连用(动作的继续性要经过一段时间来表示) E.g. Kate has lived here for 3 years. Kate has lived here since 3 years ago. Kate has lived here since she came to Chinafor 和since的运用对比:for: +一段时间 for two

5、weeks for three yearssince 过去的某一时辰 since then since last month 普经过去时态的时间状语从句 since she left留意:for 和since 所引导的时间状语都表示一段时间. He has been away for a week. He has been away since last week.对划线部分提问都用How long 如今完成时态是中考的必考时态，由于如今完成时态既涉及到过去，又联络到如今，和普经过去时态，普通如今时态，如今进展时态既有联络，又有 区别，所以同窗们掌握起来比较困难。如今完成时动词构成 have

6、/has+v 过去分词 助动词否认haventhasnt疑问Have you?Has he?1.都表示过去发生的事2.如今完成时强调过去和如今的联络，不能和详细的时间状语连用；3.普经过去时强调过去发生的事或形状与表示过去的详细时间连用last, ago, yesterday, etc. presentpastI have lived here for two yearsI lived there 2 years ago如今完成时与普经过去时的区别 当有一个表示过去某时的状语时，不能用如今完成时，而多用普经过去时。 I saw Mary an hour ago. She lost her ha

7、ndbag yesterday .Next 有些时间状语，既能用于如今完成时，又能用于普经过去时，但意义上有差别。Ive written three letters this morning.说话时仍是上午I wrote three letters this morning.说话时仍是上午或晚上Next 如今完成时强调动作或事情发生在过去，不断延续到如今，而且还有能够继续延续下去；而普经过去时只表示发生在过去的动作或事情。 I have taught this class for ten years. 还在教 I taught this class for two years. 曾教过两年，如

8、今不教了1.我们买这本书三年了.We have had the book for three years.2.他感冒三天了. He has had a cold for three days.We bought the book three years ago. He caught a cold three days ago.普经过去时态和如今完成时态同义转换3.我借的这本书一周多了. I have kept the book for a week .4.我成为一个学生两年多了. I have been a student for over two years. I borrowed the

9、book a week ago.I became a student two years ago.5.Mr Black死了三年了。Mr Black has been dead for three years.Mr Black died three years ago.重点句型:It is/ has been+段时间+since从句 段时间+has passed+ since从句eg. 他死了两年了：He died two years ago.He has been dead for two years /since two years ago It is/ has been two years

10、 since he died.Two years has passed since he died.注: 如今完成时不能和表示过去的时间状yesterday,last year,in 1980,three days ago, just now,when I came in等连用Pay attention 留意1.如今完成时句中常见的时间状语A.表示从过去不断继续到如今,不能是详细过去时间 ( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句eg.I have been a teacher _ a year. He h

11、as been at this school _ 1992. We have learned 1,000 English words _ we came to this school.forsincesince不能是详细过去时间 B.just,already,yet,before/ ever,never 有此类副词时,常强调动作完成,不强调动作的继续. eg. Have you _been to Japan? I have _ finished my homework. I have finished my homework _. I havent finished my homework _

12、.everjustalreadyyet2.区分短暂性动词与继续性动词. 英语的行为动词大体可以分为两大类型：一是延续性的动词，二是短暂性动词。延续行动词是指那些动作意义不会一下完成，而是可以延续、开展的动词。如：work,read,write,study等,短暂性动词是指那些动作一次完成，不能延续的动词。如：come, go, buy, die, 等。表示短暂性(瞬间性)的动词在如今完成时的句中不能和一段时间连用.即for,since短语或how long问句I have bought this pen for two months.I have had this pen for two mo

13、nths.How long have you _ this pen.hadThe play has begun for an hour.has been on for an hour.终了性动词不能和表示一段时间的时间状语连用,但是他可以转换成相应的延续性动词.1.直接用延续性动词 buy have catch(get) a cold have a cold borrowkeepCome/go /becomebe put on- wear2.转换成be+名词 join the army be a soldierJoin the Party be a Party membergo to scho

14、ol be a student 3转换成be+描画词或副词 diebe dead finish be over beginbe on leavebe away fall sleep be asleep close be closed4.转换成 be+介词短语 go to school be in school join the army be in the army1.我们买这本书三年了.We have had the book for three years.2.他感冒三天了. He has had a cold for three days.We bought the book three

15、 years ago. He caught a cold three days ago.普经过去时态和如今完成时态可以构成赞同句Correcting 1. I have borrowed the book for 3 months.2. My bother has joined the army since he was 18.3. Jack and Tom have lived here since 5 years.4. The film has been on since I have come to the cinema.5. When has Mr. Li caught a bad c

16、old? have kepthas been in/ been a member of the armysince 5 years ago/ for 5 yearscame didcatch6. Ten years have passed since they got married.7. Jim has gone to for 2 years.8.What time have the factory opened?9.I have gone to Chunhua Middle School twice10, The dog has died for a month. hashas been

17、indidopenbeen tobeen dead改写句子改写句子1.My father came back from the bookshop just now. My father _ just _ _ the book shop.2.He began to learn Chinese in 2001. He _ _ Chinese since 2001.3.The film began two minutes ago. The film _ _ _ since two minutes ago.4.He has had the motorbike for two years. Its tw

18、o years _he _ the motorbike. He _ the motorbike two years _. Two years _ _ since he _ the motor bikehasreturnedfromhaslearnedhas been on sinceboughtboughtagohas passedbought用所给动词的适当方式填空1.He_ (go) to America the year before last.2.-What _ you _(do)? -I _ (be) a teacher.3. Do you like _ (drink) milk?4.He _ _(not have) his supper yet.5.We _ (see) Uncle Li tomorrow.6.Joans mother often _ at four, now she _(cook)7.He _(read) a book when the accident _(happen).8._ (travel) by air is very fast9.Let us _ (wait) outside.10.The teacher told us _ (not talk) any more.wentdo doamdrinkinghasnt hadare