1、Unit 1 Tales of the unexplainedGrammar and usageBy Zhang Yanmei What have you doneI know I better stop tryingyou know that theres no denyingI wont show mercy on you nowI know I should stop believingI know that theres no retreatingits over nowwhat have you done?what have you done?I,Ive been waiting f
2、or someone like you but now you are slipping awaywould you mind if I killed you?What have you done?Ive been waiting for someone like you.Task1.Present Perfect Tense2.Present Perfect Continuous TenseExamples:1.I have seen the film of Titanic twice.2.Most students have made great progress in reading.3
3、.We have already had breakfast.4.I have taught English since 1998.5.We have studied in this school for a few months.6.The old couple have been married for 40 years.Summary The form of present perfect tense:have/has+doneLook,the window is open.Eric opened the door just now.Eric _(already open)the win
4、dow.has already openedJustin got out last Friday.He didnt come back.I _(see)Justin since last Friday.have not seenThey bought this house three years ago.They _(live)here since then.have livedI_(read)your article threetimes.Its well written.have readThe student _(not finish)his homework yet.hasnt fin
5、ished We use it with time expressions such as1.already,ever,just,yet,so far,up to now,by now,never,recently,lately,in the past /last+a period of time2.We use for+a period of time and since+a point of time.Eg:Jackson has died for a few months.()Jackson has been dead for a few months.()He died a few m
6、onths ago.()注意：瞬间性动词不和for+a periodof time连用,但它可以转换成相应的延续性动词.1.直接换成延续性动词buy have catch(get)have borrowkeep put on wear2.转换成 be+-join the army be a soldierleave/gobe away die be dead 1.The plane has left.The plane has been away for twenty minutes.2.He caught a cold three days ago.He has had a cold for
7、 three days.3.They have joined our school radio club.They have been in our school radio club for two parison3.Structures connected with the present perfect tense:1).It is(has been)+a period of time+since-clause+-did-eg:It has been three months since I came here.2)This(That/It)is the first (second)ti
8、me+that-clause+eg:This is the first time that I have cometo Beijing.3)This(That/It)is the best/finest/most interesting+that-clause+-have/hasdone.Eg:This is the most interesting book that I have read.4)This(That/It)is the only)+that-clause+-have/has done Eg:This is the only city that I have visited.C
9、onsolidation:My friend Jack has just sent me an e-mail,telling me about his travels around the world.He _ (just be)to Mount Everestbase camp and saw a Yeti there.He is still very excited about it.He _(visit)the great pyramids in Egypt too.He says that he loves Egypt but he_ (not visit)all the pyrami
10、ds yet.has just beenhas visitedhasnt visited He _(swim)in Loch Ness,but luckily he _(never meet)the Loch Ness monster!He_(dive)in the Indian Ocean many times looking for treasure.Although he _(find)many sunken ships,he _(not find)any treasure._ he _(be)to the Great Wall before?Im not surebut I have.
11、has swumhas never methas divedhas foundhasnt foundHasbeen1.自从2001年以来,中国人的饮食已经发生了很大的变化.Great changes have taken place in chinese diet since2001.Chinese diet has changed a lot since 2001.2.汤姆已经结婚10年了.Tom has been marriedfor ten years3.学生把所有的零花钱都捐给灾区了.（disaster area）The students have donated all their
12、pocket money to the disaster area.4.自从滨湖公园改建以来，我已经去过三次了。Ive been to the Bin Hu park three times since it was rebuilt in October.不累啊？你已跳了三个小时啦！Arent you tired？You have been jumping for three hours.她肯定累了，因为她一天一直在跳舞She must be tired,for she has beendancing all day.F:Peter,where have you been?M:Ive been
13、 playing games in the student union.F:Have you been wasting your time on computer games again?M:Not really.Ive been studying a lot this week and I need a break.F:Why dont you buy a computer?M:I have been considering buying one.F:I know,and they have been getting cheaper.M:How do you know that?F:Ive
14、been thinking of buying a home computer too.The Present Perfect Continuous TenseForm:have/has +been +doingSummary The man started working in the field half an hour ago,and he is still working now.The man _(work)in the field for half an hour.has been working The boy started having dinner five minutes
15、 ago.He is still having dinner now.The boy _(have)dinner since five minutes ago.has been havinghave been observinghave been talkinghave been takinghave been watchinghave seenhave been writingComparison1.Present perfect tense&present perfect continuous tense1.Li Jia has read a book about computer.(Sh
16、e finished reading the book.)Li Jia has been reading a book about computer.(She is still reading the book.)2.I have visited Shanghai twice this month.I have been visiting Shanghai for two weeks.Summary现在完成时现在完成进行时动作已完成动作发生在过去一直持续到现在并仍在继续之中强调动作的结果或影响强调动作持续进行2.Present perfect tense&simple past tense1)
17、-Have you shown him around our school?-Yes,he said our school was very beautiful.2)Have you been to my hometown?-Yes,I went there last year.3)-Did you see the film star last Sunday?-No,I havent seen him up to now.区别：现在完成时强调已经完成的动作对现在造成的影响或结果。一般过去时强调过去的动作或状态,有过去的时间状语last week,yesterday,ago ,just now,
18、in the past,Put the following sentences into English.1.A:火车已经开走了.B:什么时候开走的?A:半个小时之前开走的.2.A:这本书我已经买了两年了.B:你在哪儿买的?A:在我老家买的.3.A:你看过这部电影吗?B:看过.A:什么时候看的.B:上周星期天看的.A:The train has left.B:When did it leave？A:It left half an hour ago.A:Have you seen the film?B:Yes,I have.A:When did you see it?B:I saw it las
19、t Sunday.A:Ive had the book for 2years.B:Where did you buy it?A:I bought it in my hometown.1.Im sure Andrew will win the first prize in the final.I think so.He _ for it for months.A.is preparing B.was preparing C.had been preparing D.has been preparing2.Danny _ hard for long to realize his dream and
20、 now he is popular.A.works B.is working C.has worked D.had worked高考链接 DC 3.The unemployment rate in this district_from 6%to 5%in the past two years.A.has fallen B.had fallen C.is falling D.was falling4.Now that she is out of job,Lucy_going back to school,but she hasnt decided yet.A.had considered B.
21、has been consideringC.considered D.is going to consider5.So far this year we _a fall in house prices by between 5 and 10 percent.A.saw B.see C.had seen D.have seen ABDWriting以“My experience in Hou Ji High school”为题写一篇短文，运用现在完成时和现在完成进行时。提示：1.来到侯集中学已经三个多月了2.结识了好多老师和同学3.一直努力和同学好好相处4.本来英语很差，经过努力已取得了巨大的进步5.希望在2001年能够进入一所好大学-字数：100-120字可适当增加内容
