очень сильно надо.
Exercise 1. Выберите нужную форму глагола to be, Запишите предложения в тетрадь, сделайте перевод.

1. My best friend (am/are/is) ten years old.

2. Her children (am/are/is) schoolchildren.

3. This plump girl and that nice little boy (am/is/are) her grandchildren.

4. I (am/are/is) fond of reading.

5. My parents (am/is/are) workers.

6. They say, he (am/are/is) the best cook in this restaurant.

7. This (am/are/is) my niece.