English verb conjugation MUST CLENCH

Regular verb: clench - clenched - clenched

Affirmation

Simple form

I must clench
you must clench
he must clench
we must clench
you must clench
they must clench

V-ing form

I must be clenching
you must be clenching
he must be clenching
we must be clenching
you must be clenching
they must be clenching

Perfect

I must have clenched
you must have clenched
he must have clenched
we must have clenched
you must have clenched
they must have clenched

V-ing perfect

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

Negation

Simple form

I must not clench
you must not clench
he must not clench
we must not clench
you must not clench
they must not clench

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I clench?
must you clench?
must he clench?
must we clench?
must you clench?
must they clench?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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