Помогите пожалуйста преобразовать в present simple и present continues (верхний номер)

1. they are standing 2. Do you think they are going out togerther? 3. I don't think it means anything speacial 4. i come ..  people  normally stand that close ....

5. Why is he walking so fast ? 6. the lesson is not starting until.  7. He has still got 10 mins. 8. He always walks fast, 9. Often seems to be. 10.  Why are they shaking hands?

11. they know each other 12. men shake, they meet