Первое задание:

1.have to

2.have to

3.has to

4.doesn't have to

Следующее задание:

1.You mustn't swim alone in the lake

2.You must bring trainers with you

3.You mustn't make phone calls after 10 pm

4.You must wake up early

Ответ:

Task 1

1. don't have to

2. have to

3. has to

4. doesn't have to

Task 2

1. You mustn't swim alone in the lake.

2. You must bring trainers with you.

3. You mustn't make phone calls after 10 pm.

4. You must wake up early.

Объяснение: