English verb conjugation
COULD FOUNDER

Regular verb: founder - foundered - foundered

Affirmation

Simple form	V-ing form
I could founder you could founder he could founder we could founder you could founder they could founder	I could be foundering you could be foundering he could be foundering we could be foundering you could be foundering they could be foundering
Perfect	V-ing perfect
I could have foundered you could have foundered he could have foundered we could have foundered you could have foundered they could have foundered	I could have been foundering you could have been foundering he could have been foundering we could have been foundering you could have been foundering they could have been foundering

Negation

Simple form	V-ing form
I couldn't founder you couldn't founder he couldn't founder we couldn't founder you couldn't founder they couldn't founder	I couldn't be foundering you couldn't be foundering he couldn't be foundering we couldn't be foundering you couldn't be foundering they couldn't be foundering
Perfect	V-ing perfect
I couldn't have foundered you couldn't have foundered he couldn't have foundered we couldn't have foundered you couldn't have foundered they couldn't have foundered	I couldn't have been foundering you couldn't have been foundering he couldn't have been foundering we couldn't have been foundering you couldn't have been foundering they couldn't have been foundering

Interrogative form

Simple form	V-ing form
could I founder? could you founder? could he founder? could we founder? could you founder? could they founder?	could I be foundering? could you be foundering? could he be foundering? could we be foundering? could you be foundering? could they be foundering?
Perfect	V-ing perfect
could I have foundered? could you have foundered? could he have foundered? could we have foundered? could you have foundered? could they have foundered?	could I have been foundering? could you have been foundering? could he have been foundering? could we have been foundering? could you have been foundering? could they have been foundering?

Interro-negative form

Simple form	V-ing form
couldn't I founder? couldn't you founder? couldn't he founder? couldn't we founder? couldn't you founder? couldn't they founder?	couldn't I be foundering? couldn't you be foundering? couldn't he be foundering? couldn't we be foundering? couldn't you be foundering? couldn't they be foundering?
Perfect	V-ing perfect
couldn't I have foundered? couldn't you have foundered? couldn't he have foundered? couldn't we have foundered? couldn't you have foundered? couldn't they have foundered?	couldn't I have been foundering? couldn't you have been foundering? couldn't he have been foundering? couldn't we have been foundering? couldn't you have been foundering? couldn't they have been foundering?