English verb conjugation
SHOULD FOUND

Regular verb: found - founded - founded

Affirmation

Simple form	V-ing form
I'd found you'd found he'd found we'd found you'd found they'd found	I'd be founding you'd be founding he'd be founding we'd be founding you'd be founding they'd be founding
Perfect	V-ing perfect
I should've founded you should've founded he should've founded we should've founded you should've founded they should've founded	I should've been founding you should've been founding he should've been founding we should've been founding you should've been founding they should've been founding

Negation

Simple form	V-ing form
I shouldn't found you shouldn't found he shouldn't found we shouldn't found you shouldn't found they shouldn't found	I shouldn't be founding you shouldn't be founding he shouldn't be founding we shouldn't be founding you shouldn't be founding they shouldn't be founding
Perfect	V-ing perfect
I shouldn't have founded you shouldn't have founded he shouldn't have founded we shouldn't have founded you shouldn't have founded they shouldn't have founded	I shouldn't have been founding you shouldn't have been founding he shouldn't have been founding we shouldn't have been founding you shouldn't have been founding they shouldn't have been founding

Interrogative form

Simple form	V-ing form
should I found? should you found? should he found? should we found? should you found? should they found?	should I be founding? should you be founding? should he be founding? should we be founding? should you be founding? should they be founding?
Perfect	V-ing perfect
should I have founded? should you have founded? should he have founded? should we have founded? should you have founded? should they have founded?	should I have been founding? should you have been founding? should he have been founding? should we have been founding? should you have been founding? should they have been founding?

Interro-negative form

Simple form	V-ing form
shouldn't I found? shouldn't you found? shouldn't he found? shouldn't we found? shouldn't you found? shouldn't they found?	shouldn't I be founding? shouldn't you be founding? shouldn't he be founding? shouldn't we be founding? shouldn't you be founding? shouldn't they be founding?
Perfect	V-ing perfect
shouldn't I have founded? shouldn't you have founded? shouldn't he have founded? shouldn't we have founded? shouldn't you have founded? shouldn't they have founded?	shouldn't I have been founding? shouldn't you have been founding? shouldn't he have been founding? shouldn't we have been founding? shouldn't you have been founding? shouldn't they have been founding?