Сколько диагоналей можно провести в двенадцати угольнике? формула

. Заполните пропуски модальными глаголами или их эквивалентами can, could, may, must, might, to be able, to be allowed, should to. Переведите предложения на русский язык.

1.Steve ... speak English, French and Italian.

2) You... ask him to help with the translation.

3) Mr. Smith ... be in his office now. You... call him.

... I ask you a question? — Of course, you ....

The students  … do their homework regularly.

5) You …be more attentive  at the lessons.

     6) In Britain you not... drive a car until you are seventeen.

          7) You … to take part in the competition next year.

8) If you prepare for the exam, you... to take it in September.

9) You … do this important work quickly.

   10) Nobody …  understand this.

        11) In future we …to use solar energy more effectively.