English verb conjugation MUST CROW

Regular verb: crow - crowed - crowed

Affirmation

Simple form

I must crow
you must crow
he must crow
we must crow
you must crow
they must crow

V-ing form

I must be crowing
you must be crowing
he must be crowing
we must be crowing
you must be crowing
they must be crowing

Perfect

I must have crowed
you must have crowed
he must have crowed
we must have crowed
you must have crowed
they must have crowed

V-ing perfect

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

Negation

Simple form

I must not crow
you must not crow
he must not crow
we must not crow
you must not crow
they must not crow

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crow?
must you crow?
must he crow?
must we crow?
must you crow?
must they crow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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