English verb conjugation MUST CROW

Regular verb: crow - crowed - crowed

Affirmation

Simple form

I must crow
you must crow
she must crow
we must crow
you must crow
they must crow

V-ing form

I must be crowing
you must be crowing
she must be crowing
we must be crowing
you must be crowing
they must be crowing

Perfect

I must have crowed
you must have crowed
she 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
she 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
she 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
she 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
she 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
she 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 she crow?
must we crow?
must you crow?
must they crow?

V-ing form

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

Perfect

must I have crowed?
must you have crowed?
must she 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 she 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 she 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 she 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 she 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 she 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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