Question

Ex. 1. Choose the right tense form. 1. Nina has been learning/has learned English for 2 years. 2. The birds have already flown/have been flying to the South. 3. They have known /have been knowing him for many years. 4. Mike has forgotten/has been forgetting to learn the poem. 5. The children have been watching/have watched cartoons for 2 hours. 6. The train has just come/has been coming. We haven't been having/ haven't had a holiday for 5 years. 8. She has been teaching/has taught at this school for twenty years. 9 David has been painting/has painted in his studio since 10 o'clock. 10. Mary and Sam have collected/ have been collecting stamps for 3 years. 11. Their parents have been/have being friends since their childhood. 12. Dave has been/ has been being a student for 2 years​

Answer 1

1. Nina has been learning English for 2 years.

2. The birds have already have been flying to the South.

3. They have have been knowing him for many years.

4. Mike has has been forgetting to learn the poem.

5. The children have been watching cartoons for 2 hours.

6. The train has just come We haven't haven't had a holiday for 5 years.

8. She has been teaching at this school for twenty years 4

9. David has been painting in his studio since 10 o'clock.

10. Mary and Sam have have been collecting stamps for 3 years.

11. Their parents have beenfriends since their childhood.

12. Dave has been being a student for 2 years​