English verb conjugation MUST CONCERTINA

Regular verb: concertina - concertinaed - concertinaed

Affirmation

Simple form

I must concertina
you must concertina
she must concertina
we must concertina
you must concertina
they must concertina

V-ing form

I must be concertinaing
you must be concertinaing
she must be concertinaing
we must be concertinaing
you must be concertinaing
they must be concertinaing

Perfect

I must have concertinaed
you must have concertinaed
she must have concertinaed
we must have concertinaed
you must have concertinaed
they must have concertinaed

V-ing perfect

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

Negation

Simple form

I must not concertina
you must not concertina
she must not concertina
we must not concertina
you must not concertina
they must not concertina

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I concertina?
must you concertina?
must she concertina?
must we concertina?
must you concertina?
must they concertina?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top