1. Tony has been learning/has learned Spanish for 2 years.
2. The ducks have already flown/have been flying to the South.
3. My parents have known /have been knowing him for ages.
4. Sara has forgotten/has been forgetting to phone her best friend.
5. The children have been watching/have watched already TV-programm for kids
1)has been learning
2)have already flown
3)have been knowing
4)has forgotten
Объяснение:5)have already watched