Следующее: Поставьте следующие предложения в прошедшее и будущее время, используя подходящий эквивалент модальных глаголов. 1) My friend can do this work himself. 2) You must go there. 3) Mary may take my book today.

1) My friend could (здесь скорее всего was able to) do this work himself. My friend will be able to do this work himself.

2) You had to go there. You will have to go there.

3) Mary was allowed to take my book yesterday. Mary will be allowed to take my book tommorrow.