English verb conjugation MUST CONCUR

Regular verb: concur - concurred - concurred

Affirmation

Simple form

I must concur
you must concur
he must concur
we must concur
you must concur
they must concur

V-ing form

I must be concurring
you must be concurring
he must be concurring
we must be concurring
you must be concurring
they must be concurring

Perfect

I must have concurred
you must have concurred
he must have concurred
we must have concurred
you must have concurred
they must have concurred

V-ing perfect

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

Negation

Simple form

I must not concur
you must not concur
he must not concur
we must not concur
you must not concur
they must not concur

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I concur?
must you concur?
must he concur?
must we concur?
must you concur?
must they concur?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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