Choose the appropriate equivalent of the underlined modal in each sentence
You mustn't use the cell phone when driving.
- a) don't have to
- b) needn't
- c) It's strictly forbidden
"Mustn't" expresses prohibition, its equivalent form is"it is strictly forbidden to"
The answer is: it's strictly forbidden
So we can say
It's strictly forbidden to use the cell phone when driving
You must wait for the connection.
- a) need to
- b) can
- c) may
"Must" expresses"obligation" and in this sentence it expresses the necessity to wait.
The answer is"need to" is the most adequate equivalent.
So we can say:
You need to wait for the connection
You don't have to stay in front of the computer when a file is being downloaded.
- a) Must not
- b) Aren’t obliged to
- c) Cannot
"Don't have to" expresses absence of obligation, "aren't obliged"
The answer is the correct equivalent.
You are not obliged to stay in front of the computer when a file is being downloaded.