English verb conjugation MUST STALL

Regular verb: stall - stalled - stalled

Affirmation

Simple form

I must stall
you must stall
he must stall
we must stall
you must stall
they must stall

V-ing form

I must be stalling
you must be stalling
he must be stalling
we must be stalling
you must be stalling
they must be stalling

Perfect

I must have stalled
you must have stalled
he must have stalled
we must have stalled
you must have stalled
they must have stalled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I stall?
must you stall?
must he stall?
must we stall?
must you stall?
must they stall?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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