I should founder you should founder she should founder we should founder you should founder they should founder
V-ing form
I should be foundering you should be foundering she should be foundering we should be foundering you should be foundering they should be foundering
Perfect
I should have foundered you should have foundered she should have foundered we should have foundered you should have foundered they should have foundered
V-ing perfect
I should have been foundering you should have been foundering she should have been foundering we should have been foundering you should have been foundering they should have been foundering
Negation
Simple form
I should not founder you should not founder she should not founder we should not founder you should not founder they should not founder
V-ing form
I should not be foundering you should not be foundering she should not be foundering we should not be foundering you should not be foundering they should not be foundering
Perfect
I should not have foundered you should not have foundered she should not have foundered we should not have foundered you should not have foundered they should not have foundered
V-ing perfect
I should not have been foundering you should not have been foundering she should not have been foundering we should not have been foundering you should not have been foundering they should not have been foundering
Interrogative form
Simple form
should I founder? should you founder? should she founder? should we founder? should you founder? should they founder?
V-ing form
should I be foundering? should you be foundering? should she be foundering? should we be foundering? should you be foundering? should they be foundering?
Perfect
should I have foundered? should you have foundered? should she have foundered? should we have foundered? should you have foundered? should they have foundered?
V-ing perfect
should I have been foundering? should you have been foundering? should she have been foundering? should we have been foundering? should you have been foundering? should they have been foundering?
Interro-negative form
Simple form
should I not founder? should you not founder? should she not founder? should we not founder? should you not founder? should they not founder?
V-ing form
should I not be foundering? should you not be foundering? should she not be foundering? should we not be foundering? should you not be foundering? should they not be foundering?
Perfect
should I not have foundered? should you not have foundered? should she not have foundered? should we not have foundered? should you not have foundered? should they not have foundered?
V-ing perfect
should I not have been foundering? should you not have been foundering? should she not have been foundering? should we not have been foundering? should you not have been foundering? should they not have been foundering?