1. 8B Unit3 Online tours Grammar Xiexiu Secondary School Yanqi

2. Daily speech: 'My favourite city/country' Turn around, listen carefully and answer the question.

3. Study objectives 1. 95% students can tell the differences between the simple past tense and the present perfect tense. 2.95% students can use them freely.

4. Self-study instructions: 1. Read the information on Page 40 by yourselves. Underline the key information. 5mins 2. Try to finish Part A&PartB on Page 41. 3.Check the answers of Part A&Part B in groups. (tell us the reasons) No5-6. help NO.1-2. If you've finished,show me green. 知者加速： Try to finish the extra workbook.

7. Self-study instructions: 3. Discuss: (a)The differences between the two tenses. (b)The structures of the two tenses.You'd better give us some examples. 3mins NO.5-6 student gives examples to NO.1/2student. If you've finished,show me green. 知者加速： Try to finish the extra workbook.

8. Self-study instructions: 4. Discuss and Write: Please make up 2 sentences with the two tenses and write them on your blackboard. ---side A Please write down some time expressions of the two tenses on your blackboard. 4mins ---side B If you've finished,please sit down. 知者加速： Try to finish the extra workbook.

9. Self-study instructions: 5. Practice more: Try to finish Part C&Part D on Page 42. 4mins If you've finished,show me green. 知者加速： Try to finish the extra workbook. Check the answers in groups. Read PartC&Part D. If you need help, show me red.

12. Question-solved time If you have any problems, Let's discuss.

13. Consolidation 抢答 You'll see 2 pictures and complete the sentences with the key words. If you're correct, you can get 2 points.

14. key words: years ago/live/ small old houses key words: since 1990/move/ new flats

15. key words: used to/ go out/ bicycle key words: at present/ the government build/ railway station

16. key words: Jay/ is/ little boy 10 years ago key words: now/grow up

17. key words: in the past/ the village/ poor;dirty key words: now/the village/ become/rich;clean

18. Consolidation 5' 4'3' 2'1'

19. Translate: 自从我出生我就住在徐州。这些年来徐州发生了 巨大的变化。例如，数年前我们只有一些小商店。 而现在，政府已经将城市的部分变成了一个购物 中心。 I have lived in Xuzhou since I was born. Great changes have taken place in Xuzhou over the years. For example, we had some small shops years ago. But now, the government has turned part of the city into a shopping mall.

20. 短文填空。 Many changes _______________(take place) in Xuzhou over the years.In the past, there _____(be) only narrow and dirty roads.But now the streets ______________(become) wide and clean. The government __________(build)tall buildings.Years ago,people ______(live)in small old houses.Now most of them ____________(move)into new flats. have taken place were have become has built lived have moved

21. 用动词的适当形式填空。 --I______(see) that film yesterday. --Did you? I______________(not see) it yet. saw haven't seen

22. 选择。 ( )The Greens ___to Beijing in 2008, and they ____there since then. A.go; lived B. goes; have lived C. went; have lived D.went; lived C

23. 完成句子。 他已经完成作业了。他是五分钟前完 成的。 He______________his homework already. He _________it five minutes ago. has finished finished

24. Interview Work in groups to make an interview about Xuzhou's past and present. One student can be a reporter, the others can be the people in Xuzhou. Try to use the two tenses as possible as you can.

25. Conclusion 知识建网 Take notes

26. Conclusion （ a ）含义不同 1.The simple past tense 一般过去时 一般过去时只表示在过去某个时间发生的动作或 存在的状态 。 2. The present perfect tense 现在完成时 现在完成时表示 : 动作发生在过去，持续到现在； 过去的动作（或者状态）对现在产生的影响和结 果 ; 过去的动作到现在发生的频率 -- 经历。

27. Conclusion (b) 构成不同 一般过去时：主语 + 动词的过去式。 现在完成时 ：主语 + have/has + 过去分词 。

28. Conclusion (c) 具体的时间状语不同 （ 1 ） 一般过去时的时间状语 yesterday, once, last…,...ago, in + 年份、月 份, just now... （ 2 ）现在完成时的时间状语 for, since, so far, ever, never, just, yet, up to now,already, recently

29. Homework 1. Review Grammar P40-42 2. Finish the exercises in workbook.

30. Thank you!