Составить на английском языке 3 класс 10 предложений система глаголов to be

1. I am a pupil. 2. London is in Great Britain. 3. My friend was in Moscow last year. 4. We were at the live concert yesterday. 5. Are you American? 6. I am thirty years old. 7. This book it is interesting.. 8. Have you ever been so happy for me? 9. Your house is big. 10. Well, the lesson is over. Good-bye!