Note: if the subject in the active sentence is someone, no one, people, they, he, we can omit by + agent (O’) in the passive one. Note: if the subject in the active sentence is someone, no one, people, they, he, we can omit by + agent (O’) in the passive one. | Welcome to our class ! Kim' s game 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Microwave oven Vacuum machine Digital camera Washing machine Cell phone Blender Computer Air conditioner Bao Thy has bought a cell phone. A cell phone has been bought by Bao Thy. - Bao Thy - a cell phone - buy UNIT 5: TECHNOLOGY PERIOD 41 LANGUAGE FOCUS GRAMMAR THE PRESENT PERFECT PASSIVE A cell phone has been bought by Bao Thy. Bao Thy has bought a cell phone. S + have/has + Ved/3 + O S’ + have/has + been + Ved/3 + (by + O’) (-) S’ + have/has not + been + Ved/3 + (by + O’) (?) Have/has + S’ + been + Ved/3 + (by + O’) ? THE PRESENT PERFECT PASSIVE Active: Passive: someone use blender The blender has been used. Someone has used the blender. Note: if the subject in the active sentence is someone, no one, people, they, he, we can omit by + agent (O’) in the passive one. THE PRESENT PERFECT PASSIVE Exercise 1. Use the correct voice (present perfect active or present perfect passive) 6. The servant (just/pack) our | Welcome to our class ! Kim' s game 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Microwave oven Vacuum machine Digital camera Washing machine Cell phone Blender Computer Air conditioner Bao Thy has bought a cell phone. A cell phone has been bought by Bao Thy. - Bao Thy - a cell phone - buy UNIT 5: TECHNOLOGY PERIOD 41 LANGUAGE FOCUS GRAMMAR THE PRESENT PERFECT PASSIVE A cell phone has been bought by Bao Thy. Bao Thy has bought a cell phone. S + have/has + Ved/3 + O S’ + have/has + been + Ved/3 + (by + O’) (-) S’ + have/has not + been + Ved/3 + (by + O’) (?) Have/has + S’ + been + Ved/3 + (by + O’) ? THE PRESENT PERFECT PASSIVE Active: Passive: someone use blender The blender has been used. Someone has used the blender. Note: if the subject in the active sentence is someone, no one, people, they, he, we can omit by + agent (O’) in the passive one. THE PRESENT PERFECT PASSIVE Exercise 1. Use the correct voice (present perfect active or present perfect passive) 6. The servant (just/pack) our bags. 1. The visitors (eat) all the cakes. The visitors have eaten all the cakes. 2. The roads (improve) for 2 months. 3. Jenny (offer) an opportunity to study abroad. 4. Less than half of the cans of paint (use) up to now. 5. The houses at the end of the street (not/sell) since last month. 7. These words (spell) wrongly for several times. 8. The package (deliver) yet? Exercise 1. Use the correct voice (present perfect active or present perfect passive) 2. The roads have been improved for 2 months. 4. Less than half of the cans of paint have been used up to now. 6. The servant has just packed our bags. 3. Jenny has been offered an opportunity to study abroad. 5. The houses at the end of the street haven’t been sold since last month. 7. These words have been spelt wrongly several times. 8. Has the package delivered yet? Exercise 2. Build sentences after model 1. bridge/ damage/ last week, and it/ not repair/ yet The bridge was damaged last week, and it hasn’t been repaired yet. 2. .
