Choose the right tense form. Nina has been learning/has learned English for 2 years. The...

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

Choose the correct time form. Nina studied English for 2 years. Birds are already flying south. They knew him for many years. Mike forgot to learn the poem. The children watched cartoons for 2 hours. The train has just arrived. We did not have a holiday for 5 years. She taught at this school for twenty years. David drew in his studio from 10 o'clock. Mary and Sam collected the stamps for 3 years. Since childhood, their parents have been friends. Dave was a student for 2 years.

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Answer 2

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.