The key answer of exercise 3
The key to exercise solutions in chapter 8.4 - Grammar for the textbook Wider World 4 - Student's Book with authors Suzanne Gaynor, Kathryn Alevizos and Carolyn Barraclough from Pearson Education
Question
Study the Grammar box. Find more examples in the dialogue.
Answer
Obligation
- we have to put
- you'll have to hurry up
- He had to go back
- we have to clean up
- We have to clean up
- you'll have to change
Lack of obligation
- You didn’t have to wait
Prohibition
- we won’t be allowed to do it
- we're allowed to do this (lack of prohibition, i.e. permission)
- we mustn’t push
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