English verb conjugation CAN COUNTER

Regular verb: counter - countered - countered

Affirmation

Simple form

I can counter
you can counter
he can counter
we can counter
you can counter
they can counter

V-ing form

I can be countering
you can be countering
he can be countering
we can be countering
you can be countering
they can be countering

Perfect

I can have countered
you can have countered
he can have countered
we can have countered
you can have countered
they can have countered

V-ing perfect

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

Negation

Simple form

I cannot counter
you cannot counter
he cannot counter
we cannot counter
you cannot counter
they cannot counter

V-ing form

I cannot be countering
you cannot be countering
he cannot be countering
we cannot be countering
you cannot be countering
they cannot be countering

Perfect

I cannot have countered
you cannot have countered
he cannot have countered
we cannot have countered
you cannot have countered
they cannot have countered

V-ing perfect

I cannot have been countering
you cannot have been countering
he cannot have been countering
we cannot have been countering
you cannot have been countering
they cannot have been countering

Interrogative form

Simple form

can I counter?
can you counter?
can he counter?
can we counter?
can you counter?
can they counter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not counter?
can you not counter?
can he not counter?
can we not counter?
can you not counter?
can they not counter?

V-ing form

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

Perfect

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

V-ing perfect

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

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