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