English verb conjugation COULD FOUNDER

Regular verb: founder - foundered - foundered


Affirmation

Simple form

I could founder
you could founder
he could founder
we could founder
you could founder
they could founder

V-ing form

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

I could have foundered
you could have foundered
he could have foundered
we could have foundered
you could have foundered
they could have foundered

V-ing perfect

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

I could not founder
you could not founder
he could not founder
we could not founder
you could not founder
they could not founder

V-ing form

I could not be foundering
you could not be foundering
he could not be foundering
we could not be foundering
you could not be foundering
they could not be foundering

Perfect

I could not have foundered
you could not have foundered
he could not have foundered
we could not have foundered
you could not have foundered
they could not have foundered

V-ing perfect

I could not have been foundering
you could not have been foundering
he could not have been foundering
we could not have been foundering
you could not have been foundering
they could not have been foundering

Interrogative form

Simple form

could I founder?
could you founder?
could he founder?
could we founder?
could you founder?
could they founder?

V-ing form

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

could I have foundered?
could you have foundered?
could he have foundered?
could we have foundered?
could you have foundered?
could they have foundered?

V-ing perfect

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

could I not founder?
could you not founder?
could he not founder?
could we not founder?
could you not founder?
could they not founder?

V-ing form

could I not be foundering?
could you not be foundering?
could he not be foundering?
could we not be foundering?
could you not be foundering?
could they not be foundering?

Perfect

could I not have foundered?
could you not have foundered?
could he not have foundered?
could we not have foundered?
could you not have foundered?
could they not have foundered?

V-ing perfect

could I not have been foundering?
could you not have been foundering?
could he not have been foundering?
could we not have been foundering?
could you not have been foundering?
could they not have been foundering?