Obligation, prohibition and permission
must / have to / be allowed / be required / be permitted, etc.
1. Obligation, prohibition and permission.
Read sentences about the rules for a TV reality show. What do the sentences express? Choose the correct option.
2. Obligation, prohibition and permission.
Choose the option that is most similar in meaning to the first sentence.
3. Obligation, prohibition and permission.
Rewrite each sentence using the correct form of the word in brackets.
For example:
You can't use a mobile phone. (allow)
You're not allowed to use a mobile phone.