English verb conjugation MUST SCOWL

Regular verb: scowl - scowled - scowled

Affirmation

Simple form

I must scowl
you must scowl
he must scowl
we must scowl
you must scowl
they must scowl

V-ing form

I must be scowling
you must be scowling
he must be scowling
we must be scowling
you must be scowling
they must be scowling

Perfect

I must have scowled
you must have scowled
he must have scowled
we must have scowled
you must have scowled
they must have scowled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I scowl?
must you scowl?
must he scowl?
must we scowl?
must you scowl?
must they scowl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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