I can unmask you can unmask he can unmask we can unmask you can unmask they can unmask
Forma con V-ing
I can be unmasking you can be unmasking he can be unmasking we can be unmasking you can be unmasking they can be unmasking
Perfecto
I can have unmasked you can have unmasked he can have unmasked we can have unmasked you can have unmasked they can have unmasked
Perfecto con V-ing
I can have been unmasking you can have been unmasking he can have been unmasking we can have been unmasking you can have been unmasking they can have been unmasking
Negación
Forma simple
I can't unmask you can't unmask he can't unmask we can't unmask you can't unmask they can't unmask
Forma con V-ing
I can't be unmasking you can't be unmasking he can't be unmasking we can't be unmasking you can't be unmasking they can't be unmasking
Perfecto
I can't have unmasked you can't have unmasked he can't have unmasked we can't have unmasked you can't have unmasked they can't have unmasked
Perfecto con V-ing
I can't have been unmasking you can't have been unmasking he can't have been unmasking we can't have been unmasking you can't have been unmasking they can't have been unmasking
Forma interrogativa
Forma simple
can I unmask? can you unmask? can he unmask? can we unmask? can you unmask? can they unmask?
Forma con V-ing
can I be unmasking? can you be unmasking? can he be unmasking? can we be unmasking? can you be unmasking? can they be unmasking?
Perfecto
can I have unmasked? can you have unmasked? can he have unmasked? can we have unmasked? can you have unmasked? can they have unmasked?
Perfecto con V-ing
can I have been unmasking? can you have been unmasking? can he have been unmasking? can we have been unmasking? can you have been unmasking? can they have been unmasking?
Forma interro-negativa
Forma simple
can't I unmask? can't you unmask? can't he unmask? can't we unmask? can't you unmask? can't they unmask?
Forma con V-ing
can't I be unmasking? can't you be unmasking? can't he be unmasking? can't we be unmasking? can't you be unmasking? can't they be unmasking?
Perfecto
can't I have unmasked? can't you have unmasked? can't he have unmasked? can't we have unmasked? can't you have unmasked? can't they have unmasked?
Perfecto con V-ing
can't I have been unmasking? can't you have been unmasking? can't he have been unmasking? can't we have been unmasking? can't you have been unmasking? can't they have been unmasking?