Choose the right tense form. 1. ann has been paiting / has painted in his studio since 8 o'clock. 2. we have been watching / have watched tv for 3 hours. 3. alex has been learning / has learned french for years. 4. the train has just some / has been coming. 5. mary has been / has been being a student for 2 years.
1. Ann has been painting in his studio since 8 o'clock.
2. We have been watching TV for 3 hours.
3. Alex has been learning French for years.
4. The train has just come.
5. Mary has been a student for 2 years.