Match the modal verb in the sentence with its function.

Решение:

• You mustn't smoke here — not allowed. (Модальный глагол 'mustn't' используется для выражения запрета.)
• He must consult his teacher — there is a necessity in doing something. (Модальный глагол 'must' выражает необходимость или настоятельную рекомендацию.)
• This work must be done at once — you are obliged to do something. (Модальный глагол 'must' в пассивном залоге выражает обязательство.)
• Jim can climb a mountain very fast — when you are able to do something. (Модальный глагол 'can' используется для выражения способности или умения.)

Ответ: You mustn't smoke here — not allowed; He must consult his teacher — there is a necessity in doing something; This work must be done at once — you are obliged to do something; Jim can climb a mountain very fast — when you are able to do something.