2. 牛津高中英语牛津高中英语 ( 模块二 · 高一上学期 )

3. Grammar and usage 板块：教学设计 — 课件 Unit 1 Present perfect tense & Present perfect continuous tense

4. Unit 1 课件描述： 本课件总结了现在完成时和现 在完成进行时的用法，并设计了一 些练习题帮助学生巩固对这两种时 态的掌握。

5. Present perfect tense Step 1 Lead-in Go over the news story on Page 2 and find the sentences using the present perfect tense. Please explain why the tense is used in these sentences.

6. The disappearance of Justin_______ (make) Kelly very unhappy. has made 1. We use the present perfect tense to talk about things that happened in the recent past, but are connected to the present. Step 2 Points 1-6

7. · I ___________ (not see) Justin since last Friday night. have not seen 2. We also use the present perfect tense to talk about something that started in the past, and is still happening now.

8. 3.We use the present perfect tense when the exact time of an action is not clear or important. We use it with time expressions such as: already ever for just lately never recently since yet

9. Exercise: complete the following sentences with the proper tense: (1) We ____________(study) English for about five years. (2) They __________(live ) in the south since their daughter was born. (3) I __________(read) your article three times. It’s well written. (4) The student ______________ (finish) her homework already. (5) Eric _____ just _____ (go) back to his hometown. have studied have lived have read have finished has gone

10. We use already for affirmative statements and yet for negative statements. We use for + a period of time and since + a point in time.

11. 4. We use the present perfect tense to talk about actions that were completed only a short time ago. The police have just finished searching the areas.

12. 5. We can also use the present perfect tense for repeated actions, that is, we use the present perfect tense with the time expressions once / twice / three times… 6. Form: have / has + the past participle of the verb

13. Step 3 Read the diary entry and then complete it using the correct forms of the verbs in brackets. Answers: (2) saw (3) has visited (4) loves (5) hasn’t visited (6) has swum (7) has never met (8) has dived (9) has found (10) hasn’t found (11) Has, been

14. Present perfect continuous tense 1. Form: have / has been + the present participle of the verb.

15. 2. We use the present perfect continuous tense to talk about actions that started in the past and are still continuing. I have not been sleeping well since I returned home. Past _____________________________________ Present not being able to sleep well I returned home. I’m still not sleeping well.

16. 3. We also use the present perfect continuous tense to talk about actions that have just finished but are still connected to the present in some way. Kelly: Sorry I’m late. Have you been waiting long? Mavis: Yes. I’ve been waiting for an hour. past ___________________________________ One hour ago Present Mavis started waiting for Kelly.Kelly arrives.

17. have been observing have been talking have been taking have been watching have seen have been writing

18. 1.Prepare Grammar and usage on page 10-11. 2. Finish Part C1 and C2 on page 88 in Workbook. Homework