English verb conjugation MUST UNSTITCH

Regular verb: unstitch - unstitched - unstitched

Affirmation

Simple form

I must unstitch
you must unstitch
he must unstitch
we must unstitch
you must unstitch
they must unstitch

V-ing form

I must be unstitching
you must be unstitching
he must be unstitching
we must be unstitching
you must be unstitching
they must be unstitching

Perfect

I must have unstitched
you must have unstitched
he must have unstitched
we must have unstitched
you must have unstitched
they must have unstitched

V-ing perfect

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

Negation

Simple form

I must not unstitch
you must not unstitch
he must not unstitch
we must not unstitch
you must not unstitch
they must not unstitch

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I unstitch?
must you unstitch?
must he unstitch?
must we unstitch?
must you unstitch?
must they unstitch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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