Correct the mistakes if any. 1. How often you have your English classes? 2. What you do at English lessons? 3. What you prepared for your lesson? 4. Who were absent from the previous lesson? 5. How many points you got for your exam? 6. Who do you usually go home with? 7. What countries the USА borders upon? 8. When did the briefing take place? 9. Who knows this district well? 10. Who did phone yesterday? 11. How long you have been studying English?