1. An accountant be good with numbers.
2. Alba is eight months old and she walk yet. (negative)
3. You finish it today. You have all the week to do it. (negative)
4. Helen ski when she was four years old.
5. We leave the room of the hotel before twelve o'clock, but we had lunch there.
6. She answer the phone now because she's busy answering the mails.
7. I prepare anything because everything was ready. (negative)
8. The tourists enter the museum because it was closed. (negative)