1. I have known Chris since we started school together
2. Julia has played the piano for ten years
3. Our parents have been married since fifteen years
4. I have had this camera for my birthday
5. My mum hasn’t liked cheese since she was a child
6. Our english teacher have worked in our school since September
7. I hasn’t eaten japanese food since my holiday in Tokyo
8. We hasn’t seen Carlos for three days
Espero te sirva, cualquier duda me comentas ;)
