1、Unit 3 Online tours Grammar,Pre-task,Enjoy a song,Its been a long day without you my friendAnd Ill tell you all about it when I see you againWeve come a long way from where we beganOh Ill tell you all about it when I see you againWhen I see you again,Differences between the simple past tense and the
2、 present perfect tense (1),主语 + 动词过去式 + 其他,主语 + have/has + 动词过去分词 + 其他,Pre-task,Find out the tenses mainly used in the passage,Millie had a dream last night. She dreamt of travelling to the USA.Millie has been to the USA once. She went there in 2013. She had a wonderful time there. Her uncle is in t
3、he USA. He has lived there fore three years.,Differences between the simple past tense and the present perfect tense (2),表示过去某时发生的动作，和现在 （有/没有）关系。,表示过去发生的某一动作,强调和现在 （有/没有）关系。,没有,有,1. Finish Part A & Part B on Page 41 by yourselves. 2. Check answers in groups and give your reasons.,Pre-task,Finish so
4、me exercises,Differences between the simple past tense and the present perfect tense (3),yesterday, Last year, in May, in + 过去某一年，two days ago, just now等,already, just, yet, ever, never, recently, before, for + 一段时间, since + 过去的时间点, these years, so far, up to/till now, in/during/over the past/last f
5、ew/three years once, twice, several times等 according to the context (语境),We use the present perfect tense to talk about an action that started in the past and continues to the present.Daniel has lived in Beijing for two years.,We use the simple past tense to tell what happened in the past. Daniel we
6、nt to Beijing two years ago.,Differences between the simple past tense and the present perfect tense.,Daniel has bought a new computer. (Daniel has a new computer now.),We use the simple past tense to tell what happened in the past.Daniel bought a new computer last month.,We use the present perfect
7、tense to talk about the result of an action. When the action happened is not very important. It might happen just now or some time ago.,Mr Wu has been to Canada twice.,Mr Wu visited Canada in 2010 and 2011.,We use the simple past tense to tell what happened in the past.,We use the present perfect te
8、nse to tell how many times an action happened till now.,Look at the pictures and complete the sentences with the key words. If your answers are correct, you can get stars.,While-task,Task 1: Look and say,key words: years ago, live, small old houses,key words: since 1990, move, new flats,key words: u
9、sed to, go out, bicycle,key words: at present, the government, build, railway station,key words: Jay Chou, is, little boy 10 years ago,key words: now, grow up,key words: in the past, the village, poor, dirty,key words: now, the village, become, rich, clean,1. Finish Part C on Page 41 by yourselves.
10、2. Check answers in groups. Ask me for help if you have any questions.,While-task,Task 2: Finish exercises,Post-task,Make a new dialogue,A: Have you ever been to ? B: Yes, I have A: When and where did ? B: . A: How long did you stay there ? B: . A: How many times ? B: . A: is a good place for shoppi
11、ng. What did you buy there? B: I . A: What do you think of ? B: I think they are .,1. Finish Part D on Page 41 by yourselves. 2. Check answers in groups. Ask me for help if you have any questions.,Post-task,Finish exercises,Write about Millies trip, using the simple past tense and the present perfec
12、t tense.,Writing,Simple past tense,Present perfect tense,构成,时间状语,语境,did,have/has done,yesterday, in 1980, last week, ago, just now, the other day等,for, since, ever, never, just, yet, recently, before, 次数, in the past years, over the years, so far等,表示过去某时发生的动作或单纯叙述过去的事情，强调动作,持续到现在的动作或状态；强调过去的事情对现在的影响;到目前为止，动作发生的次数,Summary,Homework,Review the usage of the simple past tense and the present perfect tense. 2. Finish writing Millies trip to the USA.,
