Decide if the sentences below contain mistakes in meaning (M), form (F) or spelling(S). Then correct the sentences.
1. I going to get fit this year
2. I will meet Peter at three o'clock to play tennis.
3. Let me know as soon as you will gets home.
4. A new after-school club is begining next week.
5. Economists say that the economy grows next year.
6. I can see you're busy so i wan't disturb you now.
7. It's going be dark soon.
8. The train to Madrid is going to leave at quarter to six.