Question

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

Answer 1

Nina has been learning English for 2 years.
The birds have already flown to the South.
They have known him for many years.
Mike has forgotten to learn the poem.
The children have been watching cartoons for 2 hours.
The train has just come.
We haven’t had a holiday for 5 years.
She has been teaching at this school for twenty years.
David has been painting in his studio since 10 o’clock.
Mary and Sam have been collecting stamps for 3 years.
Their parents have been friends since their childhood.
Dave has been a student for 2 years.

Answer 2

Давайте разберем каждое предложение:

1. Nina has been learning/has learned English for 2 years. - Верный вариант: Nina has been learning English for 2 years.

2. The birds have already flown/have been flying to the South. - Оба варианта возможны в зависимости от контекста: - Если птицы просто улетели на юг, без акцента на продолжительность действия, то: The birds have already flown to the South. - Если уделяется внимание продолжительности действия, то: The birds have been flying to the South.

3. They have known/have been knowing him for many years. - Верный вариант: They have known him for many years.

4. Mike has forgotten/has been forgetting to learn the poem. - Верный вариант: Mike has forgotten to learn the poem.

5. The children have been watching/have watched cartoons for 2 hours. - Оба варианта возможны: - Если уделяется внимание продолжительности действия, то: The children have been watching cartoons for 2 hours. - Если это просто факт, что они посмотрели мультфильмы, то: The children have watched cartoons for 2 hours.

6. The train has just come/has been coming. - Верный вариант: The train has just come.

7. We haven’t been having/haven’t had a holiday for 5 years. - Оба варианта возможны, но в более формальном английском лучше использовать "haven't had": We haven’t had a holiday for 5 years.

8. She has been teaching/has taught at this school for twenty years. - Оба варианта возможны: - Если хочется подчеркнуть продолжительность действия, то: She has been teaching at this school for twenty years. - Если уделяется внимание факту, что она преподает в этой школе, то: She has taught at this school for twenty years.

9. David has been painting/has painted in his studio since 10 o'clock. - Оба варианта возможны: - Если акцент на продолжительности действия, то: David has been painting in his studio since 10 o'clock. - Если уделяется внимание факту, что он нарисовал в своей студии, то: David has painted in his studio since 10 o'clock.

10. Mary and Sam have collected/have been collecting stamps for 3 years. - Оба варианта возможны: - Если акцент на продолжительности действия, то: Mary and Sam have been collecting stamps for 3 years. - Если уделяется внимание факту, что они собрали марки, то: Mary and Sam have collected stamps for 3 years.

11. Their parents have been/have being friends since their childhood. - Верный вариант: Their parents have been friends since their childhood.

12. Dave has been/has been being a student for 2 years. - Верный вариант: Dave has been a student for 2 years.