English verb conjugation MUST COUNTER

Regular verb: counter - countered - countered

Affirmation

Simple form

I must counter
you must counter
he must counter
we must counter
you must counter
they must counter

V-ing form

I must be countering
you must be countering
he must be countering
we must be countering
you must be countering
they must be countering

Perfect

I must have countered
you must have countered
he must have countered
we must have countered
you must have countered
they must have countered

V-ing perfect

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

Negation

Simple form

I must not counter
you must not counter
he must not counter
we must not counter
you must not counter
they must not counter

V-ing form

I must not be countering
you must not be countering
he must not be countering
we must not be countering
you must not be countering
they must not be countering

Perfect

I must not have countered
you must not have countered
he must not have countered
we must not have countered
you must not have countered
they must not have countered

V-ing perfect

I must not have been countering
you must not have been countering
he must not have been countering
we must not have been countering
you must not have been countering
they must not have been countering

Interrogative form

Simple form

must I counter?
must you counter?
must he counter?
must we counter?
must you counter?
must they counter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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