The Future Perfect Continuous
| Утвердительная форма | Вопросительная форма | Отрицательная форма |
 I shall have been writing
we
 he
she
it will have been writing
 you
they
|  I have been
 Shall we writing?
 he
she
Will it have been
 you writing?
they
|  I shall not have been
we writing
 he
she will not have been
 it writing
you
they
|