I can stammer you can stammer he can stammer we can stammer you can stammer they can stammer
Forma com V-ing
I can be stammering you can be stammering he can be stammering we can be stammering you can be stammering they can be stammering
Perfeito
I can have stammered you can have stammered he can have stammered we can have stammered you can have stammered they can have stammered
Perfeito com V-ing
I can have been stammering you can have been stammering he can have been stammering we can have been stammering you can have been stammering they can have been stammering
Negação
Forma simple
I can't stammer you can't stammer he can't stammer we can't stammer you can't stammer they can't stammer
Forma com V-ing
I can't be stammering you can't be stammering he can't be stammering we can't be stammering you can't be stammering they can't be stammering
Perfeito
I can't have stammered you can't have stammered he can't have stammered we can't have stammered you can't have stammered they can't have stammered
Perfeito com V-ing
I can't have been stammering you can't have been stammering he can't have been stammering we can't have been stammering you can't have been stammering they can't have been stammering
Forma interrogativa
Forma simple
can I stammer? can you stammer? can he stammer? can we stammer? can you stammer? can they stammer?
Forma com V-ing
can I be stammering? can you be stammering? can he be stammering? can we be stammering? can you be stammering? can they be stammering?
Perfeito
can I have stammered? can you have stammered? can he have stammered? can we have stammered? can you have stammered? can they have stammered?
Perfeito com V-ing
can I have been stammering? can you have been stammering? can he have been stammering? can we have been stammering? can you have been stammering? can they have been stammering?
Forma interro-Negação
Forma simple
can't I stammer? can't you stammer? can't he stammer? can't we stammer? can't you stammer? can't they stammer?
Forma com V-ing
can't I be stammering? can't you be stammering? can't he be stammering? can't we be stammering? can't you be stammering? can't they be stammering?
Perfeito
can't I have stammered? can't you have stammered? can't he have stammered? can't we have stammered? can't you have stammered? can't they have stammered?
Perfeito com V-ing
can't I have been stammering? can't you have been stammering? can't he have been stammering? can't we have been stammering? can't you have been stammering? can't they have been stammering?