2. Read the materials in reader.

1. Review this unit

1. has taught 2.has been 3.haven’t learned 4.have studied 5.lost 6.came 7.fell 8.have known 9.have written 10.hasn’t finished

Then compare the present perfect tense and the past indefinite tense. Explain the differences between the two tenses. (Refer to the details listed in Teaching Resources)

Step IVCome to “Let’s Do It”

Teach the students some writing skills of how to keep diaries, especially using the past indefinite tense in the diary. (Refer to Teaching Resources)

Step V Homework

10.　 Brian hasn’t finished/didn’t finish his homework yet.

Sample answers:

9. Up to now I have written/wrote two pages.

8. Jenny and Danny have known/knew each other for a long time.

7. Danny has fallen/fell off the bike yesterday and he is badly hurt.

6. I have come/came to China last year.

5. Wang Mei is looking for her book. She has lost/lost it just now.

4. I have studied/studied for this exam.