English verb conjugation
COULD FOUND

Regular verb: found - founded - founded

Affirmation

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

Negation

Simple form	V-ing form
I could not found you could not found he could not found we could not found you could not found they could not found	I could not be founding you could not be founding he could not be founding we could not be founding you could not be founding they could not be founding
Perfect	V-ing perfect
I could not have founded you could not have founded he could not have founded we could not have founded you could not have founded they could not have founded	I could not have been founding you could not have been founding he could not have been founding we could not have been founding you could not have been founding they could not have been founding

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not found? could you not found? could he not found? could we not found? could you not found? could they not found?	could I not be founding? could you not be founding? could he not be founding? could we not be founding? could you not be founding? could they not be founding?
Perfect	V-ing perfect
could I not have founded? could you not have founded? could he not have founded? could we not have founded? could you not have founded? could they not have founded?	could I not have been founding? could you not have been founding? could he not have been founding? could we not have been founding? could you not have been founding? could they not have been founding?