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 cannot countervail
you cannot countervail
he cannot countervail
we cannot countervail
you cannot countervail
they cannot countervail

V-ing form

I cannot be countervailing
you cannot be countervailing
he cannot be countervailing
we cannot be countervailing
you cannot be countervailing
they cannot be countervailing

Perfect

I cannot have countervailed
you cannot have countervailed
he cannot have countervailed
we cannot have countervailed
you cannot have countervailed
they cannot have countervailed

V-ing perfect

I cannot have been countervailing
you cannot have been countervailing
he cannot have been countervailing
we cannot have been countervailing
you cannot have been countervailing
they cannot 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 I not countervail?
can you not countervail?
can he not countervail?
can we not countervail?
can you not countervail?
can they not countervail?

V-ing form

can I not be countervailing?
can you not be countervailing?
can he not be countervailing?
can we not be countervailing?
can you not be countervailing?
can they not be countervailing?

Perfect

can I not have countervailed?
can you not have countervailed?
can he not have countervailed?
can we not have countervailed?
can you not have countervailed?
can they not have countervailed?

V-ing perfect

can I not have been countervailing?
can you not have been countervailing?
can he not have been countervailing?
can we not have been countervailing?
can you not have been countervailing?
can they not have been countervailing?

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