English verb conjugation COULD PLUMB

Regular verb: plumb - plumbed - plumbed

Affirmation

Simple form

I could plumb
you could plumb
she could plumb
we could plumb
you could plumb
they could plumb

V-ing form

I could be plumbing
you could be plumbing
she could be plumbing
we could be plumbing
you could be plumbing
they could be plumbing

Perfect

I could have plumbed
you could have plumbed
she could have plumbed
we could have plumbed
you could have plumbed
they could have plumbed

V-ing perfect

I could have been plumbing
you could have been plumbing
she could have been plumbing
we could have been plumbing
you could have been plumbing
they could have been plumbing

Negation

Simple form

I could not plumb
you could not plumb
she could not plumb
we could not plumb
you could not plumb
they could not plumb

V-ing form

I could not be plumbing
you could not be plumbing
she could not be plumbing
we could not be plumbing
you could not be plumbing
they could not be plumbing

Perfect

I could not have plumbed
you could not have plumbed
she could not have plumbed
we could not have plumbed
you could not have plumbed
they could not have plumbed

V-ing perfect

I could not have been plumbing
you could not have been plumbing
she could not have been plumbing
we could not have been plumbing
you could not have been plumbing
they could not have been plumbing

Interrogative form

Simple form

could I plumb?
could you plumb?
could she plumb?
could we plumb?
could you plumb?
could they plumb?

V-ing form

could I be plumbing?
could you be plumbing?
could she be plumbing?
could we be plumbing?
could you be plumbing?
could they be plumbing?

Perfect

could I have plumbed?
could you have plumbed?
could she have plumbed?
could we have plumbed?
could you have plumbed?
could they have plumbed?

V-ing perfect

could I have been plumbing?
could you have been plumbing?
could she have been plumbing?
could we have been plumbing?
could you have been plumbing?
could they have been plumbing?

Interro-negative form

Simple form

could I not plumb?
could you not plumb?
could she not plumb?
could we not plumb?
could you not plumb?
could they not plumb?

V-ing form

could I not be plumbing?
could you not be plumbing?
could she not be plumbing?
could we not be plumbing?
could you not be plumbing?
could they not be plumbing?

Perfect

could I not have plumbed?
could you not have plumbed?
could she not have plumbed?
could we not have plumbed?
could you not have plumbed?
could they not have plumbed?

V-ing perfect

could I not have been plumbing?
could you not have been plumbing?
could she not have been plumbing?
could we not have been plumbing?
could you not have been plumbing?
could they not have been plumbing?

Page top