English verb conjugation MUST FLAP

Regular verb: flap - flapped - flapped

Affirmation

Simple form

I must flap
you must flap
he must flap
we must flap
you must flap
they must flap

V-ing form

I must be flapping
you must be flapping
he must be flapping
we must be flapping
you must be flapping
they must be flapping

Perfect

I must have flapped
you must have flapped
he must have flapped
we must have flapped
you must have flapped
they must have flapped

V-ing perfect

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

Negation

Simple form

I must not flap
you must not flap
he must not flap
we must not flap
you must not flap
they must not flap

V-ing form

I must not be flapping
you must not be flapping
he must not be flapping
we must not be flapping
you must not be flapping
they must not be flapping

Perfect

I must not have flapped
you must not have flapped
he must not have flapped
we must not have flapped
you must not have flapped
they must not have flapped

V-ing perfect

I must not have been flapping
you must not have been flapping
he must not have been flapping
we must not have been flapping
you must not have been flapping
they must not have been flapping

Interrogative form

Simple form

must I flap?
must you flap?
must he flap?
must we flap?
must you flap?
must they flap?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

must I not flap?
must you not flap?
must he not flap?
must we not flap?
must you not flap?
must they not flap?

V-ing form

must I not be flapping?
must you not be flapping?
must he not be flapping?
must we not be flapping?
must you not be flapping?
must they not be flapping?

Perfect

must I not have flapped?
must you not have flapped?
must he not have flapped?
must we not have flapped?
must you not have flapped?
must they not have flapped?

V-ing perfect

must I not have been flapping?
must you not have been flapping?
must he not have been flapping?
must we not have been flapping?
must you not have been flapping?
must they not have been flapping?

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