English verb conjugation MUST CONCERTISE

Regular verb: concertise - concertised - concertised

Affirmation

Simple form

I must concertise
you must concertise
she must concertise
we must concertise
you must concertise
they must concertise

V-ing form

I must be concertising
you must be concertising
she must be concertising
we must be concertising
you must be concertising
they must be concertising

Perfect

I must have concertised
you must have concertised
she must have concertised
we must have concertised
you must have concertised
they must have concertised

V-ing perfect

I must have been concertising
you must have been concertising
she must have been concertising
we must have been concertising
you must have been concertising
they must have been concertising

Negation

Simple form

I must not concertise
you must not concertise
she must not concertise
we must not concertise
you must not concertise
they must not concertise

V-ing form

I must not be concertising
you must not be concertising
she must not be concertising
we must not be concertising
you must not be concertising
they must not be concertising

Perfect

I must not have concertised
you must not have concertised
she must not have concertised
we must not have concertised
you must not have concertised
they must not have concertised

V-ing perfect

I must not have been concertising
you must not have been concertising
she must not have been concertising
we must not have been concertising
you must not have been concertising
they must not have been concertising

Interrogative form

Simple form

must I concertise?
must you concertise?
must she concertise?
must we concertise?
must you concertise?
must they concertise?

V-ing form

must I be concertising?
must you be concertising?
must she be concertising?
must we be concertising?
must you be concertising?
must they be concertising?

Perfect

must I have concertised?
must you have concertised?
must she have concertised?
must we have concertised?
must you have concertised?
must they have concertised?

V-ing perfect

must I have been concertising?
must you have been concertising?
must she have been concertising?
must we have been concertising?
must you have been concertising?
must they have been concertising?

Interro-negative form

Simple form

must I not concertise?
must you not concertise?
must she not concertise?
must we not concertise?
must you not concertise?
must they not concertise?

V-ing form

must I not be concertising?
must you not be concertising?
must she not be concertising?
must we not be concertising?
must you not be concertising?
must they not be concertising?

Perfect

must I not have concertised?
must you not have concertised?
must she not have concertised?
must we not have concertised?
must you not have concertised?
must they not have concertised?

V-ing perfect

must I not have been concertising?
must you not have been concertising?
must she not have been concertising?
must we not have been concertising?
must you not have been concertising?
must they not have been concertising?

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