I can widen you can widen he can widen we can widen you can widen they can widen
Forma con V-ing
I can be widening you can be widening he can be widening we can be widening you can be widening they can be widening
Perfecto
I can have widened you can have widened he can have widened we can have widened you can have widened they can have widened
Perfecto con V-ing
I can have been widening you can have been widening he can have been widening we can have been widening you can have been widening they can have been widening
Negación
Forma simple
I can't widen you can't widen he can't widen we can't widen you can't widen they can't widen
Forma con V-ing
I can't be widening you can't be widening he can't be widening we can't be widening you can't be widening they can't be widening
Perfecto
I can't have widened you can't have widened he can't have widened we can't have widened you can't have widened they can't have widened
Perfecto con V-ing
I can't have been widening you can't have been widening he can't have been widening we can't have been widening you can't have been widening they can't have been widening
Forma interrogativa
Forma simple
can I widen? can you widen? can he widen? can we widen? can you widen? can they widen?
Forma con V-ing
can I be widening? can you be widening? can he be widening? can we be widening? can you be widening? can they be widening?
Perfecto
can I have widened? can you have widened? can he have widened? can we have widened? can you have widened? can they have widened?
Perfecto con V-ing
can I have been widening? can you have been widening? can he have been widening? can we have been widening? can you have been widening? can they have been widening?
Forma interro-negativa
Forma simple
can't I widen? can't you widen? can't he widen? can't we widen? can't you widen? can't they widen?
Forma con V-ing
can't I be widening? can't you be widening? can't he be widening? can't we be widening? can't you be widening? can't they be widening?
Perfecto
can't I have widened? can't you have widened? can't he have widened? can't we have widened? can't you have widened? can't they have widened?
Perfecto con V-ing
can't I have been widening? can't you have been widening? can't he have been widening? can't we have been widening? can't you have been widening? can't they have been widening?