Objectives & Sequence: This lesson is intended to be used as a review of Grammar - Expressing Necessity.

Intro Student One Student Two

Students work in pairs and open the corresponding pages. On each page is a list of sentences students are to read to their partners. Each sentence conveys an idea that can be expressed with one of have (got) to, had to, mustdon't / doesn't / didn't have to, or mustn't. Students read a sentence and then their partner rephrases the sentence using one of the phrases above. Suggested answers are included under each sentence.

It is really important that you do not touch anything.

You mustn't touch anything.

Correct!

Read the following sentences to your partner. Check that their answers match the answers below each sentence:

  1. It is not necessary to read the chapter.
    • You don't have to read the chapter. (or)
    • You haven't got to read the chapter.
  2. It is necessary for me to go home because I have a headache.
    • I have to go home because I have a headache. (or)
    • I've got to go home because I have a headache. (or)
    • I must go home because I have a headache.
  3. It is not okay for you to use my phone.
    • You mustn't use my phone.
  4. It was necessary for you to come to class on time yesterday.
    • You had to come to class on time yesterday.
  5. It wasn't necessary for me to pay to get into the nightclub.
    • I didn't have to pay to get into the nightclub.
  6. It is very important to me that you read this novel.
    • You must read this novel. (or)
    • You have to read this novel. (or)
    • You've got to read this novel.
  7. It is not necessary to wear a coat. It isn't very cold.
    • You don't have to wear a coat. It isn't very cold. (or)
    • You haven't got to wear a coat. It isn't very cold.
  8. It is not okay for you to enter the pool without taking a shower first.
    • You mustn't enter the pool without taking a shower first.
  9. Do not make any noise.
    • You mustn't make any noise.
  10. It was unnecessary for me to study a lot when I was a child.
    • I didn't have to study a lot when I was a child.

Read the following sentences to your partner. Check that their answers match the answers below each sentence:

  1. It was necessary for me to call my mother last night.
    • I had to call my mother last night.
  2. It is very necessary for me to go on diet because I am gaining weight.
    • I must go on a diet because I am gaining weight. (or)
    • I have to go on a diet because I am gaining weight. (or)
    • I've got to go on a diet because I am gaining weight.
  3. It is not necessary for me to study tonight.
    • I don't have to study tonight. 
  4. It is not okay for you to spend any money.
    • You mustn't spend any money.
  5. It was not necessary for you to wear sunglasses because it wasn't very sunny.
    • You didn't have to wear sunglasses because it wasn't very sunny.
  6. It is not okay for you to turn on the stove.
    • You mustn't turn on the stove.
  7. It is necessary for me to charge my phone before I go out.
    • I have to charge my phone before I go out. (or)
    • I've got to charge my phone before I go out. (or)
    • I must charge my phone before I go out.
  8. I had no choice but to buy a new computer.
    • I had to buy a new computer.
  9. I really really believe it is important for you to study more.
    • You must study more. (or)
    • You have to study more. (or)
    • You've got to study more.
  10. It wasn't necessary for you to call or text.
    • You didn't have to call or text.
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