English verb conjugation MUST FLUMMOX

Regular verb: flummox - flummoxed - flummoxed

Affirmation

Simple form

I must flummox
you must flummox
he must flummox
we must flummox
you must flummox
they must flummox

V-ing form

I must be flummoxing
you must be flummoxing
he must be flummoxing
we must be flummoxing
you must be flummoxing
they must be flummoxing

Perfect

I must have flummoxed
you must have flummoxed
he must have flummoxed
we must have flummoxed
you must have flummoxed
they must have flummoxed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flummox?
must you flummox?
must he flummox?
must we flummox?
must you flummox?
must they flummox?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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