should burden
Regular verb: burden - burdened- burdened

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