Period: Preparing date: Teaching date: The present perfect tense 1. Form: (+) S + have/ has + PP I have lived here for 2 years. (-) S + have/ has + not + PP John hasn’t watched that film. (?) Have/ Has + S + PP ? Have you found the key? 2. Uses: a. Diễn tả hành động xảy ra trong quá khứ kéo dài đến hiện tại. b. Diễn tả hành động xảy ra trong quá khứ để lại kết quả ở hiện tại. c. Diễn tả kinh nghiệm. * Trạng từ thường gặp : since, for, never, just, ever, recently, already, yet, so far…. Ex: - They have just built a new school in Tu Doan. - Tom hasn’t visited Mau Son before. - How long have you lived here? 3. The present perfect tense in passive voice S + have/has + PP + O S + have/ has been + PP + (by S) E.g. I have prepared this lesson. => This lesson has been prepared ( by me). PRACTICE I. Complete the following sentences using for, since, just, ever……. 1. Tom has lived in Loc Binh _____________ 1990. 2. Mary has learned Vietnamese ___________ 6 years. 3. I haven’t met her ____________ she moved to Ha Noi. 4. John has known Mary ____________ long time. 5. Have you ____________ seen ghost? 6. They have ____________ built a new school for children. 7. We haven’t cleaned that house ____________ 2 weeks. II. Give the correct forms of the verbs. 1. Lan and Minh (live)___________________ in Loc Binh for 2 years. 2. I can’t go with you as I (not finish) _________________ my homework. 3. They (study) ___________________ at this school for 7 years. 4. _________you (ever see) _____________________ a tiger ? 5. They (learn) _________________ English since 1999. 6. We (not have) __________________ a good meal for 3 weeks. 7. The weather (be) _________________ quite good since Tet holiday. 8. I (read) _________________ this book many times before. III. Change these sentences into passive voice. 1. They have built a new school. => …………………………………… 2. Tom has bought a new house. => …………………………………… 3. John has read 3 books. => …………………………………… 4. Mary has bought a new car. => …………………………………… 5. They haven’t seen that film. => …………………………………… Home work: Give the correct forms of the verbs. 1. He (read) ______________ that novel many times before. 2. I (not see) _______________ John for a long time. 3. Mr Brown (travel) ________________ by air several times. 4. They have (build) _________________ a hospital in this area. 5. _____________ you (ever see) __________________ a tiger ? 6. The train (not arrive) ___________________ yet. 7. We (live) __________________ here for 6 years. 8. The bell (just ring) ____________________ . 9. They (study) ________________ at this school for 7 years now. 10. I (know) _________________ since I was a child. . recently, already, yet, so far…. Ex: - They have just built a new school in Tu Doan. - Tom hasn’t visited Mau Son before. - How long have you lived here? 3 perfect tense 1. Form: (+) S + have/ has + PP I have lived here for 2 years. (-) S + have/ has + not + PP John hasn’t watched that film. (?) Have/ Has + S