English verb conjugation MUST SHEATHE

Regular verb: sheathe - sheathed - sheathed

Affirmation

Simple form

I must sheathe
you must sheathe
he must sheathe
we must sheathe
you must sheathe
they must sheathe

V-ing form

I must be sheathing
you must be sheathing
he must be sheathing
we must be sheathing
you must be sheathing
they must be sheathing

Perfect

I must have sheathed
you must have sheathed
he must have sheathed
we must have sheathed
you must have sheathed
they must have sheathed

V-ing perfect

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

Negation

Simple form

I must not sheathe
you must not sheathe
he must not sheathe
we must not sheathe
you must not sheathe
they must not sheathe

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sheathe?
must you sheathe?
must he sheathe?
must we sheathe?
must you sheathe?
must they sheathe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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