Ответ:

2. Peter has to take his dog for a walk every evening. Present Simple.

3. Judy had to buy a new printer last week. Past Simple

4. Mrs.Robertson doesn't have to work every Saturday. Present Simple.

5. We didn't have to cook last Saturday. Past Simple.

6. Jane had to stay in bed last weekend. Past Simple.

Объяснение:

Have to/has to употребляем в Present Simple, Has to пишем, если подлежащее - 3-е лицо единств.ччисла:He has to take his dog for a walk но: I/you/ we/they have to take the dog for a walk. Отрицательные предложения: после подлежащего в 3м лице единств. числа пиши doesn't+ have to +глагол: She doesn't have to+ clean the room today Вопрос: Does+ подлежащее в 3м лице ед. числа+ have to+ ,глагол: Does he have to take his dog for a walk? Yes, he does., No,. he doesn't.

В Past Simple has to/ have to нужно изменить на : had to для всех лиц единственного и множественного числа. He had to meet her yesterday

Вопрос: Did+ подлежащее+ have to + глагол: Did he have to meet her yesterday? Yes, he did. No, he didn't.

Отрицательное: Полежащее + didn't + have to+ глагол: He didn't have to meet her yesterday