Выберите правильную форму сказуемого.


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. Misha ______ 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.

7. 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. Denis ______ has been painting / has painted in his studio since 10 o’clock.

10. Masha and Sasha ______ have collected / have been collecting stamps for 3 years.

11. Their parents ______ have been / have been being friends since their childhood.

12. Danya ______ has been / has been being a student for 2 years.