should burden
Regular verb: burden - burdened- burdened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should burden
you should burden
he should burden
we should burden
you should burden
they should burden 	I should be burdening
you should be burdening
he should be burdening
we should be burdening
you should be burdening
they should be burdening	I should have burdened
you should have burdened
he should have burdened
we should have burdened
you should have burdened
they should have burdened	I should have been burdening
you should have been burdening
he should have been burdening
we should have been burdening
you should have been burdening
they should have been burdening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not burden
you should not burden
he should not burden
we should not burden
you should not burden
they should not burden 	I should not be burdening
you should not be burdening
he should not be burdening
we should not be burdening
you should not be burdening
they should not be burdening	I should not have burdened
you should not have burdened
he should not have burdened
we should not have burdened
you should not have burdened
they should not have burdened	I should not have been burdening
you should not have been burdening
he should not have been burdening
we should not have been burdening
you should not have been burdening
they should not have been burdening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I burden?
should you burden?
should he burden?
should we burden?
should you burden?
should they burden? 	should I be burdening?
should you be burdening?
should he be burdening?
should we be burdening?
should you be burdening?
should they be burdening? 	should I have burdened?
should you have burdened?
should he have burdened?
should we have burdened?
should you have burdened?
should they have burdened? 	should I have been burdening?
should you have been burdening?
should he have been burdening?
should we have been burdening?
should you have been burdening?
should they have been burdening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not burden?
should you not burden?
should he not burden?
should we not burden?
should you not burden?
should they not burden? 	should I not be burdening?
should you not be burdening?
should he not be burdening?
should we not be burdening?
should you not be burdening?
should they not be burdening? 	should I not have burdened?
should you not have burdened?
should he not have burdened?
should we not have burdened?
should you not have burdened?
should they not have burdened? 	should I not have been burdening?
should you not have been burdening?
should he not have been burdening?
should we not have been burdening?
should you not have been burdening?
should they not have been burdening?