English verb conjugation MUST UNDERPLAY

Regular verb: underplay - underplayed - underplayed

Affirmation

Simple form

I must underplay
you must underplay
he must underplay
we must underplay
you must underplay
they must underplay

V-ing form

I must be underplaying
you must be underplaying
he must be underplaying
we must be underplaying
you must be underplaying
they must be underplaying

Perfect

I must have underplayed
you must have underplayed
he must have underplayed
we must have underplayed
you must have underplayed
they must have underplayed

V-ing perfect

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

Negation

Simple form

I mustn't underplay
you mustn't underplay
he mustn't underplay
we mustn't underplay
you mustn't underplay
they mustn't underplay

V-ing form

I mustn't be underplaying
you mustn't be underplaying
he mustn't be underplaying
we mustn't be underplaying
you mustn't be underplaying
they mustn't be underplaying

Perfect

I mustn't have underplayed
you mustn't have underplayed
he mustn't have underplayed
we mustn't have underplayed
you mustn't have underplayed
they mustn't have underplayed

V-ing perfect

I mustn't have been underplaying
you mustn't have been underplaying
he mustn't have been underplaying
we mustn't have been underplaying
you mustn't have been underplaying
they mustn't have been underplaying

Interrogative form

Simple form

must I underplay?
must you underplay?
must he underplay?
must we underplay?
must you underplay?
must they underplay?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I underplay?
mustn't you underplay?
mustn't he underplay?
mustn't we underplay?
mustn't you underplay?
mustn't they underplay?

V-ing form

mustn't I be underplaying?
mustn't you be underplaying?
mustn't he be underplaying?
mustn't we be underplaying?
mustn't you be underplaying?
mustn't they be underplaying?

Perfect

mustn't I have underplayed?
mustn't you have underplayed?
mustn't he have underplayed?
mustn't we have underplayed?
mustn't you have underplayed?
mustn't they have underplayed?

V-ing perfect

mustn't I have been underplaying?
mustn't you have been underplaying?
mustn't he have been underplaying?
mustn't we have been underplaying?
mustn't you have been underplaying?
mustn't they have been underplaying?

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