should found
Regular verb: found - founded- founded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd found
you'd found
she'd found
we'd found
you'd found
they'd found 	I'd be founding
you'd be founding
she'd be founding
we'd be founding
you'd be founding
they'd be founding	I should've founded
you should've founded
she 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
she 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 	Perfect 	V-ing perfect 	
I shouldn't found
you shouldn't found
she 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
she shouldn't be founding
we shouldn't be founding
you shouldn't be founding
they shouldn't be founding	I shouldn't have founded
you shouldn't have founded
she 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
she 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 	Perfect 	V-ing perfect 	
should I found?
should you found?
should she found?
should we found?
should you found?
should they found? 	should I be founding?
should you be founding?
should she be founding?
should we be founding?
should you be founding?
should they be founding? 	should I have founded?
should you have founded?
should she 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 she 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 	Perfect 	V-ing perfect 	
shouldn't I found?
shouldn't you found?
shouldn't she 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 she be founding?
shouldn't we be founding?
shouldn't you be founding?
shouldn't they be founding? 	shouldn't I have founded?
shouldn't you have founded?
shouldn't she 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 she have been founding?
shouldn't we have been founding?
shouldn't you have been founding?
shouldn't they have been founding?