Ответ:
- Is it a dog? — Yes, it is.
- Do you like tennis?
- Did you play tennis yesterday?
- Does your sister get up early every day?
- Were you at school yesterday?
- Are your parents at work now?
- Was Nick at the zoo yesterday?
- Am I right? — Yes, you are.
- Is Pete reading a book now?
Перевод: Is — «является/находится», do/does — вспомогательные глаголы настоящего времени, did — вспомогательный глагол прошедшего времени, am/are/is и was/were — формы глагола to be.
