Англ, кто скажет еще и автора учебника +100 накину

1.I have been studing English since 2006

2. He has been building the house in the village for 2 years

3. They  have been reading this  book since Friday

4. She has been writing her composition for 2 hours

5. We have been walking to the town since 3 o*clock

6. I have been cooking dinner for my family for half an hour

7. They have been watching a new film for an hour

8. The kitten has been playing with a toy since this  morning

9. Ann has been speaking over the telephone for 40 minutes

10. They have been working there since 2008