高中英语详解现在完成时及现在完成进行时课件.ppt

present perfect tense present perfect continuous tense,Grammar,The main task To describe what the Chinese people have done or have been doing for the 2008 Olympic Games by using the present perfect tense or the present perfect continuous tense.,We have built the Swimming Centre.,We have been building the Birds Nest.,Swimming Centre,Birds Nest,Task 1,we _ (build) the Racecourse in Beijing for the Olympic Games.,have built,Racecourse（赛马场）,The eco-environment _ (improve) in Beijing in recent years.,has been improving,1.We use _for an action completed . 2. We use _for an action that started in the past and is still continuing.,Conclusion 1,the present perfect tense,the present perfect continuous tense,We have been building the National Stadium.,National Stadium (国家体育馆),Digital Beijing Building (北京数字大厦）,We have built the Digital Beijing Building.,Sentence making,Task 2,Teacher: Have you ever visited Beijing ?,Students: No, I have never visited it.,T: But I have already visited it twice.,Have you dreamed of visiting Beijing yet ?,S: Yes, I have been dreaming of visiting Beijing .,T: What have you been doing to realize your dream?,S: I have been studying hard at my subjects ,especially my English.,We use _, not_, with words like never, yet, already and ever etc.,conclusion 2,the present perfect tense,the present perfect continuous tense,How long have they been staying in Beijing?,The volunteers dreams _ (come) true.,They have been staying in Beijing for two years.,How many times have they visited it ?,They have visited it many times.,have come,How long,How many,Task 3,We usually use the present perfect tense to ask questions beginning with_, and the present perfect continuous tense to ask questions beginning with_.,conclusion3,how many/much,how long,He_ (have) his horse for five years.,He _ (prepare) for the coming Olympic Games for 3 years .,State verb,Action verb,has had,has been preparing,have, believe ,know, like, hate ,prepare, read ,write, watch ,Hua Tian,Task 4,A state verb or an action verb can be used in the present perfect tense; An action verb can be used in the present perfect continuous tense.,conclusion 4,I _ (know) Cheng Fei for three years.,I _ (watch) her performance for a long time.,have known,have been watching,Cheng Fei,Xiao hua: We have watched / have been watching the video. What do you think of it? Xiao hui : Its moving. In fact, we have already done/ have already been doing a lot of things. I have cut/ have been cutting my hair, I think I look more handsome now. And I think we should pay more attention to our behavior. Liu Xia: Yes, our class have been helping a grandpa near our school for a long time. Xiao Hua: You are so kind! I regret I have said /have been saying so many rude words to my parents. Xiao hui: You are wise! My father has even promised / have even been promising that if I do well in my studies, he will take me to Beijing next August. Liu Xia: Oh, I have longed for/ have been longing for the exciting moment for a long time.,Xiao Gang has just come back from Beijing, And now he is talking with you and your classmates. Please use your imagination to make up a dialogue. The following questions may help you.,Dialogue making,Where have you been recently? How many pictures have you taken? What changes have taken place in Beijing/ in my hometown in recent years? What have people been preparing for the coming Olympic Games? What have you been doing since you came back? What impressions has