Question

1. I (have been doing/have done) have been doing the flat since 2 o’clock. 2. How long (have you known/have you been knowing) ____ each other? 3. I (haven’t worn/have not been wearing) ____ these shoes yet. 4. Mary (has phoned/has been phoning) ____ the office since morning but she (hasn’t managed/hasn’t been managing) _____ to get through. 5. I (have met/have been meeting) ___ Mr Black only once, I don’t know what kind of person he is. 6. John (has owned/has been owning) ___ the house for 15 years. 7. This factory (has polluted/has been polluting) ____ the air for 12 years. 8. Mark is a vet, he (has saved/has been saving) ___ animals for years. 9. Mike is not interested in foreign languages. He (has never even tried/has never even been trying) ___ to do it. 10. Your mouth is dirty. (Have you eaten/Have you been eating) ____ jam? 11. A number of students (have waited/have been waiting ) ___ for you in the hall for an hour already. 12. They (have lived/have been living) ____ in this city all their lives and they are not going to leave.

Answer 1

Have you been doing
Have you been knowing
Haven't worn
Has phoned
Hasn't managed
Have met
Has been owning
Has been polluting
Has saved
Has even tried
Have you been eating
Have been waiting
Have lived

Answer 2

1. I have been doing the flat since 2 o’clock. (This implies an ongoing action of cleaning or tidying the flat since 2 o'clock.)

2. How long have you known each other? (Use "known" in this context as it refers to a duration of acquaintance.)

3. I haven’t worn these shoes yet. (Use "haven't worn" to indicate that you have not used the shoes at all.)

4. Mary has been phoning the office since morning but she hasn’t managed to get through. (Use "has been phoning" to indicate an ongoing action, and "hasn't managed" to show the lack of success.)

5. I have met Mr. Black only once; I don’t know what kind of person he is. (Use "have met" to indicate a specific point in the past.)

6. John has owned the house for 15 years. (Use "has owned" to indicate he acquired the house 15 years ago and still owns it.)

7. This factory has been polluting the air for 12 years. (Use "has been polluting" to show an ongoing action over a period of time.)

8. Mark is a vet; he has been saving animals for years. (Use "has been saving" to indicate continuous action over a period of time.)

9. Mike is not interested in foreign languages. He has never even tried to do it. (Use "has never even tried" to indicate the absence of an attempt.)

10. Your mouth is dirty. Have you eaten jam? (Use "Have you eaten" to ask about a specific action in the recent past.)

11. A number of students have been waiting for you in the hall for an hour already. (Use "have been waiting" to indicate the ongoing action of waiting.)

12. They have lived in this city all their lives and they are not going to leave. (Use "have lived" to indicate their continuous residence in the city.)