Find the mistake and correct it. 1. I have written a book last yer. 2. My bag is heaviest than yours. 3. Look out! The wall will fall down

II. Find the mistake and correct it.
1. I have written a book last yer.
2. My bag is heaviest than yours.
3. Look out! The wall will fall down.
4.Will we go to the beach tomorrow?
5. He have seen that film three years.
6. I have been a teacher since three years.
7. Helen is not her. She's been to the cinima.
8. We drove slow throufh the heavy traffic.
9. The more you study, the best your results will be.