English verb conjugation
SHOULD BURN

Regular verb: burn - burned - burned

Affirmation

Simple form	V-ing form
I should burn you should burn she should burn we should burn you should burn they should burn	I should be burning you should be burning she should be burning we should be burning you should be burning they should be burning
Perfect	V-ing perfect
I should have burned you should have burned she should have burned we should have burned you should have burned they should have burned	I should have been burning you should have been burning she should have been burning we should have been burning you should have been burning they should have been burning

Negation

Simple form	V-ing form
I should not burn you should not burn she should not burn we should not burn you should not burn they should not burn	I should not be burning you should not be burning she should not be burning we should not be burning you should not be burning they should not be burning
Perfect	V-ing perfect
I should not have burned you should not have burned she should not have burned we should not have burned you should not have burned they should not have burned	I should not have been burning you should not have been burning she should not have been burning we should not have been burning you should not have been burning they should not have been burning

Interrogative form

Simple form	V-ing form
should I burn? should you burn? should she burn? should we burn? should you burn? should they burn?	should I be burning? should you be burning? should she be burning? should we be burning? should you be burning? should they be burning?
Perfect	V-ing perfect
should I have burned? should you have burned? should she have burned? should we have burned? should you have burned? should they have burned?	should I have been burning? should you have been burning? should she have been burning? should we have been burning? should you have been burning? should they have been burning?

Interro-negative form

Simple form	V-ing form
should I not burn? should you not burn? should she not burn? should we not burn? should you not burn? should they not burn?	should I not be burning? should you not be burning? should she not be burning? should we not be burning? should you not be burning? should they not be burning?
Perfect	V-ing perfect
should I not have burned? should you not have burned? should she not have burned? should we not have burned? should you not have burned? should they not have burned?	should I not have been burning? should you not have been burning? should she not have been burning? should we not have been burning? should you not have been burning? should they not have been burning?