1.По англ.
Моя книга,ее ручка,наша комната,его собака,ваш портфель,их комната,твоя машина.
2.Перевести на англ.
1.Та книга - не моя.2.Эта книга-моя.3.Это - моя книга,а то-его.4.Это ее карандаши,а те -мои.5.Возьми те карандаши.6.Я люблю такие ручки,они хорошие.7.Ваша ручка плохая, возьмите мою.
3.

My book, her pen, our room, his dog, your briefcase, their room, your car.1. That book is not mine. 2. This book is mine. 3. This is my book, and that one is his. 4. This are her pencils, and those are mine. 5. Take those pencils. 6. I like such pens, they are good. 7. Your pen is bad, take mine.