English verb conjugation CAN COUNTERVAIL

Regular verb: countervail - countervailed - countervailed

Affirmation

Simple form

I can countervail
you can countervail
he can countervail
we can countervail
you can countervail
they can countervail

V-ing form

I can be countervailing
you can be countervailing
he can be countervailing
we can be countervailing
you can be countervailing
they can be countervailing

Perfect

I can have countervailed
you can have countervailed
he can have countervailed
we can have countervailed
you can have countervailed
they can have countervailed

V-ing perfect

I can have been countervailing
you can have been countervailing
he can have been countervailing
we can have been countervailing
you can have been countervailing
they can have been countervailing

Negation

Simple form

I can't countervail
you can't countervail
he can't countervail
we can't countervail
you can't countervail
they can't countervail

V-ing form

I can't be countervailing
you can't be countervailing
he can't be countervailing
we can't be countervailing
you can't be countervailing
they can't be countervailing

Perfect

I can't have countervailed
you can't have countervailed
he can't have countervailed
we can't have countervailed
you can't have countervailed
they can't have countervailed

V-ing perfect

I can't have been countervailing
you can't have been countervailing
he can't have been countervailing
we can't have been countervailing
you can't have been countervailing
they can't have been countervailing

Interrogative form

Simple form

can I countervail?
can you countervail?
can he countervail?
can we countervail?
can you countervail?
can they countervail?

V-ing form

can I be countervailing?
can you be countervailing?
can he be countervailing?
can we be countervailing?
can you be countervailing?
can they be countervailing?

Perfect

can I have countervailed?
can you have countervailed?
can he have countervailed?
can we have countervailed?
can you have countervailed?
can they have countervailed?

V-ing perfect

can I have been countervailing?
can you have been countervailing?
can he have been countervailing?
can we have been countervailing?
can you have been countervailing?
can they have been countervailing?

Interro-negative form

Simple form

can't I countervail?
can't you countervail?
can't he countervail?
can't we countervail?
can't you countervail?
can't they countervail?

V-ing form

can't I be countervailing?
can't you be countervailing?
can't he be countervailing?
can't we be countervailing?
can't you be countervailing?
can't they be countervailing?

Perfect

can't I have countervailed?
can't you have countervailed?
can't he have countervailed?
can't we have countervailed?
can't you have countervailed?
can't they have countervailed?

V-ing perfect

can't I have been countervailing?
can't you have been countervailing?
can't he have been countervailing?
can't we have been countervailing?
can't you have been countervailing?
can't they have been countervailing?

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