MU现在完成时和现在完成进行时 作者： 日期：M2U1 Grammar-Present Perfect and Present Perfect continuous (现在完成时和现在完成进行时)一、现在完成时1. 基本用法 1)表示一个动作从过去某一时刻开始，一直持续到现在。常见时间状语lately/newly/recently, in the last /past three years, for+一段时间，since+过去时间, since 引导的状语从句 up to now, so far等2)表示发生在过去的动作对现在产生影响或结果。常用状语just, already, yet, ever, never, before等3)表示说话前发生过一次或多次的动作。twice, three times, many times, several timese.g. Jim is still doing her homework. He hasnt finished yet. I have read your article three times. It is well written. In the past two years, he has visited 3 countries. -Have you seen my pen?-Yes, I saw it on your desk just now.注意：在现在完成时中，终止动词若与for, since等延续状语连用，要把终止动词变成延续性动词eg: She has left school for 15 years. She has been away from school for 15 years. She has married Jack since 1995. She has been married to Jack since 1995.die- be dead; join- be in; fall ill- be ill; leave(go)- be away; begin- be on; marry- be married to; borrow- keep; get ready- be ready; buy- have; dress- be dressed inHe joined the army three years ago. He has _the army for three years. I bought this book two days ago. I have_the book for two days. Jane married Smith ten years ago. Jane has_Smith_for ten years.2. 常用句型1)It is the first / second time. that结构2)It is/ has beensince所使用的两种时态都正确。e.g. It is the first time that I have visited Beijing.eg: It is/ has been 10 years since I last saw him3. 比较一般过去时与现在完成时 1)句中有具体的过去时间，不能用完成时态，如含有ago，last year，just now，the other day等。We took an exam yesterday, but we _(not know)the result yet.The three of us _(travel) around Europe for about a month last summer.2)现在完成时强调的是这一动作与现在的关系，即对现在的影响。一般过去时强调的只表示动作在过去某时发生，不表示和现在有关系。My father _(smoke)for ten years. Now he has given up smoking.I _(live) in London for two years, but I never regret my final decision to move back to China.Practice: 1. I _ my new bike, so I have to go to school on foot. A. lost B. have lost C. had lost D. was losing2. Look! Somebody _ the sofa.Well, it wasnt me. I didnt do it.A. is cleaning B. was cleaning C. has cleaned D. cleaned3. Kevin，you look worried. Anything wrong? Well，I _ a test yesterday and Im waiting for the result.Awill take Btook Chas taken D. take4._ you _ him around the museum yet? Yes. We had a great time there.A. Have; shown B. Do; show C. Had; shown D. Did; show5. Where have you been recently? I _ in Hangzhou on business for a week last month. A. have been B. was C. has gone D. had been6.I _in No. 2Middle School for three years. Now I am studying in Jiyang High School. A. have studied B. studied C.had studied D. was studying二、现在完成进行时( has/have been doing) 1基本用法表示动作从过去某一时间开始一直持续到现在并可能继续延续下去。强调现在还在进行。常见时间状语all the morning, the whole day , this morning, all the time。Im sorry I am late. Have you been waiting long?I am tired. I have been cleaning the room the whole day.Ive been waiting for an hour but he still hasnt turned up.2比较现在完成时与现在完成进行时1)现在完成进行时的动作不一定已经完成，很可能持续下去。现在完成时一般表示动作已经完成。Mary has typed three letters.Mary is very tired. She has been typing letters all the morning.2).现在完成进行时带有感情色彩，可使表达显得生动。现在完成时往往只表明一个事实、一种影响或结果，不带感情色彩。 It has been raining since last Saturday. When will it clear up?Practice:1. Why do you want to work for our company?This is the job that I _ for. A. looked B. will look C. have looked D. have been looking2. Now your weight is only 112. Youd better put on a few pounds.Well, actually , I _ like a horse. A. ate B. was eating C. have been eating D. have eaten用恰当时态填空。1. This is the second time that I _(lose) my mobile phone.2. In the last few weeks, I _(read) a book written by Jack London.3. Mr. Wang _ (study) in Paris in 2011. Thats why he knows Paris so well.4. My brother_ (join) the army two month ago. Now he is missing us very much.5. The coffee is wonderful! It doesnt taste like anything I_(have) before.6. My sister is an actress. She _(appear) in several films so far.7. I _( try) to talk to him on the phone for weeks, but I havent got any answer yet.8. I _(wait) for an hour but he still hasnt arrived yet.9. We_(work ) on this project for four hours. Lets have a rest. 10. Where _you _（put）my glass? I cant find it now. I just put it on the desk.二、单项选择 1. Do you know our town?No this is the first time I _ here.A. was