I can testify you can testify he can testify we can testify you can testify they can testify
Forma com V-ing
I can be testifying you can be testifying he can be testifying we can be testifying you can be testifying they can be testifying
Perfeito
I can have testified you can have testified he can have testified we can have testified you can have testified they can have testified
Perfeito com V-ing
I can have been testifying you can have been testifying he can have been testifying we can have been testifying you can have been testifying they can have been testifying
Negação
Forma simple
I can't testify you can't testify he can't testify we can't testify you can't testify they can't testify
Forma com V-ing
I can't be testifying you can't be testifying he can't be testifying we can't be testifying you can't be testifying they can't be testifying
Perfeito
I can't have testified you can't have testified he can't have testified we can't have testified you can't have testified they can't have testified
Perfeito com V-ing
I can't have been testifying you can't have been testifying he can't have been testifying we can't have been testifying you can't have been testifying they can't have been testifying
Forma interrogativa
Forma simple
can I testify? can you testify? can he testify? can we testify? can you testify? can they testify?
Forma com V-ing
can I be testifying? can you be testifying? can he be testifying? can we be testifying? can you be testifying? can they be testifying?
Perfeito
can I have testified? can you have testified? can he have testified? can we have testified? can you have testified? can they have testified?
Perfeito com V-ing
can I have been testifying? can you have been testifying? can he have been testifying? can we have been testifying? can you have been testifying? can they have been testifying?
Forma interro-Negação
Forma simple
can't I testify? can't you testify? can't he testify? can't we testify? can't you testify? can't they testify?
Forma com V-ing
can't I be testifying? can't you be testifying? can't he be testifying? can't we be testifying? can't you be testifying? can't they be testifying?
Perfeito
can't I have testified? can't you have testified? can't he have testified? can't we have testified? can't you have testified? can't they have testified?
Perfeito com V-ing
can't I have been testifying? can't you have been testifying? can't he have been testifying? can't we have been testifying? can't you have been testifying? can't they have been testifying?