English verb conjugation COULD MOTHBALL

Regular verb: mothball - mothballed - mothballed

Affirmation

Simple form

I could mothball
you could mothball
she could mothball
we could mothball
you could mothball
they could mothball

V-ing form

I could be mothballing
you could be mothballing
she could be mothballing
we could be mothballing
you could be mothballing
they could be mothballing

Perfect

I could have mothballed
you could have mothballed
she could have mothballed
we could have mothballed
you could have mothballed
they could have mothballed

V-ing perfect

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

Negation

Simple form

I could not mothball
you could not mothball
she could not mothball
we could not mothball
you could not mothball
they could not mothball

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I mothball?
could you mothball?
could she mothball?
could we mothball?
could you mothball?
could they mothball?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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