4. Tom has forgotten to do the task.
5. The children have been watching TV for 3 hours.
6. The bus has just come.
7. They haven’t had a holiday for 6 years.
8. My mum has been teaching at this school for 15 years.
9. Jake has been painting in his studio since 2 o’clock.
10. They have been collecting mugs for 5 years.
11. My and her parents have been friends since their childhood.
12. Mary has been a student for 4 years.
Объяснение:
