I can fold you can fold he can fold we can fold you can fold they can fold
Forma com V-ing
I can be folding you can be folding he can be folding we can be folding you can be folding they can be folding
Perfeito
I can have folded you can have folded he can have folded we can have folded you can have folded they can have folded
Perfeito com V-ing
I can have been folding you can have been folding he can have been folding we can have been folding you can have been folding they can have been folding
Negação
Forma simple
I can't fold you can't fold he can't fold we can't fold you can't fold they can't fold
Forma com V-ing
I can't be folding you can't be folding he can't be folding we can't be folding you can't be folding they can't be folding
Perfeito
I can't have folded you can't have folded he can't have folded we can't have folded you can't have folded they can't have folded
Perfeito com V-ing
I can't have been folding you can't have been folding he can't have been folding we can't have been folding you can't have been folding they can't have been folding
Forma interrogativa
Forma simple
can I fold? can you fold? can he fold? can we fold? can you fold? can they fold?
Forma com V-ing
can I be folding? can you be folding? can he be folding? can we be folding? can you be folding? can they be folding?
Perfeito
can I have folded? can you have folded? can he have folded? can we have folded? can you have folded? can they have folded?
Perfeito com V-ing
can I have been folding? can you have been folding? can he have been folding? can we have been folding? can you have been folding? can they have been folding?
Forma interro-Negação
Forma simple
can't I fold? can't you fold? can't he fold? can't we fold? can't you fold? can't they fold?
Forma com V-ing
can't I be folding? can't you be folding? can't he be folding? can't we be folding? can't you be folding? can't they be folding?
Perfeito
can't I have folded? can't you have folded? can't he have folded? can't we have folded? can't you have folded? can't they have folded?
Perfeito com V-ing
can't I have been folding? can't you have been folding? can't he have been folding? can't we have been folding? can't you have been folding? can't they have been folding?