English verb conjugation
CAN FOUNDER

Regular verb: founder - foundered - foundered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not founder? can you not founder? can he not founder? can we not founder? can you not founder? can they not founder?	can I not be foundering? can you not be foundering? can he not be foundering? can we not be foundering? can you not be foundering? can they not be foundering?
Perfect	V-ing perfect
can I not have foundered? can you not have foundered? can he not have foundered? can we not have foundered? can you not have foundered? can they not have foundered?	can I not have been foundering? can you not have been foundering? can he not have been foundering? can we not have been foundering? can you not have been foundering? can they not have been foundering?