ответ: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.
Many teach few items that would be somewhere to arrive.
Many go where the parents want.
Many end up something which would then make money, but it's not right! The main thing is to do what I love. Because I can be successful, famous and healthy working like. Unfortunately for them it's hard to understand. Often she is interested in marks at school, but almost never what I want to do. In any case, I know too much to just score the deal of his life. In any case, I'll do whatever you want and be successful, here is a look!