quinta-feira, 13 de dezembro de 2007

Lesson number nineteen

Tuesday 20th November 2007

Summary
Expressing necessity; obligation and prohibition:
Have to/ don’t have to
Must/ mustn’t


Expressing necessity; obligation and prohibition

· I have to get up at 7:30 am to cater the bus. (necessity)
· I don’t have to eat cereals every breakfast. (it’s not necessity)
· Students must pay attention to their teachers. (obligation)
· You mustn’t smoke here. (prohibition)

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