English verb conjugation COULD BLACKBALL

Regular verb: blackball - blackballed - blackballed

Affirmation

Simple form

I could blackball
you could blackball
he could blackball
we could blackball
you could blackball
they could blackball

V-ing form

I could be blackballing
you could be blackballing
he could be blackballing
we could be blackballing
you could be blackballing
they could be blackballing

Perfect

I could have blackballed
you could have blackballed
he could have blackballed
we could have blackballed
you could have blackballed
they could have blackballed

V-ing perfect

I could have been blackballing
you could have been blackballing
he could have been blackballing
we could have been blackballing
you could have been blackballing
they could have been blackballing

Negation

Simple form

I couldn't blackball
you couldn't blackball
he couldn't blackball
we couldn't blackball
you couldn't blackball
they couldn't blackball

V-ing form

I couldn't be blackballing
you couldn't be blackballing
he couldn't be blackballing
we couldn't be blackballing
you couldn't be blackballing
they couldn't be blackballing

Perfect

I couldn't have blackballed
you couldn't have blackballed
he couldn't have blackballed
we couldn't have blackballed
you couldn't have blackballed
they couldn't have blackballed

V-ing perfect

I couldn't have been blackballing
you couldn't have been blackballing
he couldn't have been blackballing
we couldn't have been blackballing
you couldn't have been blackballing
they couldn't have been blackballing

Interrogative form

Simple form

could I blackball?
could you blackball?
could he blackball?
could we blackball?
could you blackball?
could they blackball?

V-ing form

could I be blackballing?
could you be blackballing?
could he be blackballing?
could we be blackballing?
could you be blackballing?
could they be blackballing?

Perfect

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

V-ing perfect

could I have been blackballing?
could you have been blackballing?
could he have been blackballing?
could we have been blackballing?
could you have been blackballing?
could they have been blackballing?

Interro-negative form

Simple form

couldn't I blackball?
couldn't you blackball?
couldn't he blackball?
couldn't we blackball?
couldn't you blackball?
couldn't they blackball?

V-ing form

couldn't I be blackballing?
couldn't you be blackballing?
couldn't he be blackballing?
couldn't we be blackballing?
couldn't you be blackballing?
couldn't they be blackballing?

Perfect

couldn't I have blackballed?
couldn't you have blackballed?
couldn't he have blackballed?
couldn't we have blackballed?
couldn't you have blackballed?
couldn't they have blackballed?

V-ing perfect

couldn't I have been blackballing?
couldn't you have been blackballing?
couldn't he have been blackballing?
couldn't we have been blackballing?
couldn't you have been blackballing?
couldn't they have been blackballing?

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