Ответ: 1. Please, be quiet. I am trying  to concentrate.2. My children have been studying English since last year.3. I will be surprised if you pass your examinations.4. What a boring film! It’s the most boring film I have ever seen.5. Tom usually goes out in the evening. Yesterday evening he stayed at home.6. I have finished my work for the day and now i am resting quietly in my armchair.7. Would you like a cigarette? — No, thanks, I don’t smoke.