can unburden
Regular verb: unburden - unburdened- unburdened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can unburden
you can unburden
she can unburden
we can unburden
you can unburden
they can unburden 	I can be unburdening
you can be unburdening
she can be unburdening
we can be unburdening
you can be unburdening
they can be unburdening	I can have unburdened
you can have unburdened
she can have unburdened
we can have unburdened
you can have unburdened
they can have unburdened	I can have been unburdening
you can have been unburdening
she can have been unburdening
we can have been unburdening
you can have been unburdening
they can have been unburdening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't unburden
you can't unburden
she can't unburden
we can't unburden
you can't unburden
they can't unburden 	I can't be unburdening
you can't be unburdening
she can't be unburdening
we can't be unburdening
you can't be unburdening
they can't be unburdening	I can't have unburdened
you can't have unburdened
she can't have unburdened
we can't have unburdened
you can't have unburdened
they can't have unburdened	I can't have been unburdening
you can't have been unburdening
she can't have been unburdening
we can't have been unburdening
you can't have been unburdening
they can't have been unburdening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I unburden?
can you unburden?
can she unburden?
can we unburden?
can you unburden?
can they unburden? 	can I be unburdening?
can you be unburdening?
can she be unburdening?
can we be unburdening?
can you be unburdening?
can they be unburdening? 	can I have unburdened?
can you have unburdened?
can she have unburdened?
can we have unburdened?
can you have unburdened?
can they have unburdened? 	can I have been unburdening?
can you have been unburdening?
can she have been unburdening?
can we have been unburdening?
can you have been unburdening?
can they have been unburdening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I unburden?
can't you unburden?
can't she unburden?
can't we unburden?
can't you unburden?
can't they unburden? 	can't I be unburdening?
can't you be unburdening?
can't she be unburdening?
can't we be unburdening?
can't you be unburdening?
can't they be unburdening? 	can't I have unburdened?
can't you have unburdened?
can't she have unburdened?
can't we have unburdened?
can't you have unburdened?
can't they have unburdened? 	can't I have been unburdening?
can't you have been unburdening?
can't she have been unburdening?
can't we have been unburdening?
can't you have been unburdening?
can't they have been unburdening?