can widen
Regular verb: widen - widened- widened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can widen
you can widen
she can widen
we can widen
you can widen
they can widen 	I can be widening
you can be widening
she can be widening
we can be widening
you can be widening
they can be widening	I can have widened
you can have widened
she can have widened
we can have widened
you can have widened
they can have widened	I can have been widening
you can have been widening
she can have been widening
we can have been widening
you can have been widening
they can have been widening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't widen
you can't widen
she can't widen
we can't widen
you can't widen
they can't widen 	I can't be widening
you can't be widening
she can't be widening
we can't be widening
you can't be widening
they can't be widening	I can't have widened
you can't have widened
she can't have widened
we can't have widened
you can't have widened
they can't have widened	I can't have been widening
you can't have been widening
she can't have been widening
we can't have been widening
you can't have been widening
they can't have been widening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I widen?
can you widen?
can she widen?
can we widen?
can you widen?
can they widen? 	can I be widening?
can you be widening?
can she be widening?
can we be widening?
can you be widening?
can they be widening? 	can I have widened?
can you have widened?
can she have widened?
can we have widened?
can you have widened?
can they have widened? 	can I have been widening?
can you have been widening?
can she have been widening?
can we have been widening?
can you have been widening?
can they have been widening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I widen?
can't you widen?
can't she widen?
can't we widen?
can't you widen?
can't they widen? 	can't I be widening?
can't you be widening?
can't she be widening?
can't we be widening?
can't you be widening?
can't they be widening? 	can't I have widened?
can't you have widened?
can't she have widened?
can't we have widened?
can't you have widened?
can't they have widened? 	can't I have been widening?
can't you have been widening?
can't she have been widening?
can't we have been widening?
can't you have been widening?
can't they have been widening?