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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST CONCERTISE

Regular verb: concertise - concertised - concertised


Affirmation

Simple form
I must concertise
you must concertise
he must concertise
we must concertise
you must concertise
they must concertise
V-ing form
I must be concertising
you must be concertising
he must be concertising
we must be concertising
you must be concertising
they must be concertising
Perfect
I must have concertised
you must have concertised
he 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
he must have been concertising
we must have been concertising
you must have been concertising
they must have been concertising

Negation

Simple form
I mustn't concertise
you mustn't concertise
he mustn't concertise
we mustn't concertise
you mustn't concertise
they mustn't concertise
V-ing form
I mustn't be concertising
you mustn't be concertising
he mustn't be concertising
we mustn't be concertising
you mustn't be concertising
they mustn't be concertising
Perfect
I mustn't have concertised
you mustn't have concertised
he mustn't have concertised
we mustn't have concertised
you mustn't have concertised
they mustn't have concertised
V-ing perfect
I mustn't have been concertising
you mustn't have been concertising
he mustn't have been concertising
we mustn't have been concertising
you mustn't have been concertising
they mustn't have been concertising

Interrogative form

Simple form
must I concertise?
must you concertise?
must he concertise?
must we concertise?
must you concertise?
must they concertise?
V-ing form
must I be concertising?
must you be concertising?
must he be concertising?
must we be concertising?
must you be concertising?
must they be concertising?
Perfect
must I have concertised?
must you have concertised?
must he 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 he have been concertising?
must we have been concertising?
must you have been concertising?
must they have been concertising?

Interro-negative form

Simple form
mustn't I concertise?
mustn't you concertise?
mustn't he concertise?
mustn't we concertise?
mustn't you concertise?
mustn't they concertise?
V-ing form
mustn't I be concertising?
mustn't you be concertising?
mustn't he be concertising?
mustn't we be concertising?
mustn't you be concertising?
mustn't they be concertising?
Perfect
mustn't I have concertised?
mustn't you have concertised?
mustn't he have concertised?
mustn't we have concertised?
mustn't you have concertised?
mustn't they have concertised?
V-ing perfect
mustn't I have been concertising?
mustn't you have been concertising?
mustn't he have been concertising?
mustn't we have been concertising?
mustn't you have been concertising?
mustn't they have been concertising?