3 Complete the sentences with the correct form of have to. 1 You don't have to phone. You can email for information. 2 2 At my school, we play hockey, but there is a school team. 3 Doctors study for seven or eight years. 4 Why she do the exam again? we bring our instruments with us? Complete the sentences with don't have to, Corsn't have to or mustn't. n't have to get un arly tomorrow

Sure! Here are the answers for each sentence:

1) You don't have to phone. You can email for information.
Explanation: "Don't have to" is used to express that something is not necessary or mandatory. In this case, it means that making a phone call is not necessary because you can send an email instead.

2) At my school, we play hockey, but there isn't a school team.
Explanation: "Isn't" indicates a negative form of "is". So, in this sentence, it means that there is no school team for playing hockey at the speaker's school.

3) Doctors study for seven or eight years.
Explanation: This sentence is already correct and doesn't require any changes. It states that doctors have to study for a period of seven or eight years in order to become qualified in their profession.

4) Why does she have to do the exam again?
Explanation: "Does" is used to form a question in the present simple tense. By using "does she have to," it is asking why it is necessary or mandatory for her to retake the exam.

5) Do we have to bring our instruments with us?
Explanation: "Do" is used to form a question in the present simple tense. By using "do we have to," it is asking if it is necessary or mandatory for "us" to bring our instruments.

6) You don't have to get up early tomorrow.
Explanation: "Don't have to" is used to express that something is not necessary or mandatory. In this case, it means that getting up early tomorrow is not necessary.