Objectives & Sequence: This lesson is intended to be used as a review of Grammar 4-1.

Intro Student 1 Student 2

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 flight chart.
    • You don't have to read the flight chart. (or)
    • You haven't got to read the flight chart.
  2. It is necessary for me to go back to the airport because I have a oil pressure problem.
    • I have to go back to the airport because I have a oil pressure problem. (or)
    • I've got to go back to the airport because I have a oil pressure problem. (or)
    • I must go back to the airport because I have a oil pressure problem.
  3. It is not okay for you to use my microphone.
    • You mustn't use my microphone.
  4. It was necessary for you to enter the downwind on time yesterday.
    • You had to enter the downwind on time yesterday.
  5. It wasn't necessary for me to pay the parking fee at the airport.
    • I didn't have to pay the parking fee at the airport.
  6. It is very important to me that you read this VFR chart.
    • You must read this VFR chart. (or)
    • You have to read this VFR chart. (or)
    • You've got to read this VFR chart.
  7. It is not necessary to wear a flight jacket. It isn't very cold.
    • You don't have to wear a flight jacket. It isn't very cold. (or)
    • You haven't got to wear a flight jacket. It isn't very cold.
  8. It is not okay for you to enter the circuit without contacting the tower first.
    • You mustn't enter the circuit without contacting the tower first.
  9. Do not make any noise flying over the city.
    • You mustn't make any noise flying over the city.
  10. It was unnecessary for me to study a lot when I was learning to fly.
    • I didn't have to study a lot when I was learning to fly.

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 flight dispatcher last night.
    • I had to call flight dispatcher last night.
  2. It is very necessary for me to unload some baggage because the aircraft was gaining too much weight.
    • I must unload some baggage because the aircraft was gaining too much weight. (or)
    • I have to unload some baggage because the aircraft was gaining too much weight. (or)
    • I've got to unload some baggage because the aircraft was gaining too much weight.
  3. It is not necessary for me to study VFR charts tonight.
    • I don't have to study VFR charts tonight. 
  4. It is not okay for you to spend any money on a GPS.
    • You mustn't spend any money on a GPS.
  5. It was not necessary for you to wear aviator sunglasses because it wasn't very sunny.
    • You didn't have to wear aviator sunglasses because it wasn't very sunny.
  6. It is not okay for you to turn onto the base leg.
    • You mustn't turn onto the base leg.
  7. It is necessary for me to change my frequency before I depart the airport area.
    • I have to change my frequency before I depart the airport area. (or)
    • I've got to change my frequency before I depart the airport area. (or)
    • I must change my frequency before I depart the airport area.
  8. I had no choice but to buy a new flight management computer.
    • I had to buy a new flight management computer.
  9. I really really believe it is important for you to study flight procedures more.
    • You must study flight procedures more. (or)
    • You have to study flight procedures more. (or)
    • You've got to study flight procedures more.
  10. It wasn't necessary for you to call until ready for taxi instructions.
    • You didn't have to call until ready for taxi instructions.
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