ДАЮ 25 БАЛЛОВ
1. Nina has been learning English for 2 years.
2. The birds have alredy flown to the South.
3. They have known him for many years.
4. Mike has forgotten learn the poem.
5. The children have been watching cartoons for 2 hours.
6. The train has just come
7. We haven’t had a holiday for 5 years.
8. She has been teaching at this school for twenty years.
9. David has been painting in his studio since 10 o’clock.
10. Mary and Sam have been collecting stamps for 3 years.
11. Their parents have been friends since their childhood.
12. Dave has been a student for 2 years.
ОБЪЯСНИТЕ КРАТКО ПОЧЕМУ В ПРЕДЛОЖЕНИЯХ ИСПОЛЬЗУЕТСЯ ИМЕННО ЭТО ВРЕМЯ(present perfect или present perfect Continuous)