7. Getting on - 8. Going away

GRAMMAR

page 44 ex. 1. Read the examples. Then complete the rules. / Прочитайте приклади. Потім доповніть правила.

a We use have to and must to talk about rules and things that are necessary.

b We use mustn't when something isn't allowed by a rule.

c We use don't have to when something isn't necessary. We use didn't have to when something wasn't necessary in the past.

d We use had to for rules in the past.

e Remember: You mustn't go. =You aren't allowed to go. You don't have to go. – It isn't necessary for you to go.