Answer:
Step-by-step explanation:
1. I met Carrie 15 years ago or
I've met Carrie since 15 years ago
2. no error
3.
4. no error
5. He goes to the cinema at least twice every weekend. I haven't understood how he could do that
6. I've seen the video of The Godfather six times so far
7. correct
8. no error
9. When I was young, I used to go see my grandmother nearly everyday
10. That's the best film I've seen in a long time.