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 mustn't crow
you mustn't crow
he mustn't crow
we mustn't crow
you mustn't crow
they mustn't crow

V-ing form

I mustn't be crowing
you mustn't be crowing
he mustn't be crowing
we mustn't be crowing
you mustn't be crowing
they mustn't be crowing

Perfect

I mustn't have crowed
you mustn't have crowed
he mustn't have crowed
we mustn't have crowed
you mustn't have crowed
they mustn't have crowed

V-ing perfect

I mustn't have been crowing
you mustn't have been crowing
he mustn't have been crowing
we mustn't have been crowing
you mustn't have been crowing
they mustn't 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

mustn't I crow?
mustn't you crow?
mustn't he crow?
mustn't we crow?
mustn't you crow?
mustn't they crow?

V-ing form

mustn't I be crowing?
mustn't you be crowing?
mustn't he be crowing?
mustn't we be crowing?
mustn't you be crowing?
mustn't they be crowing?

Perfect

mustn't I have crowed?
mustn't you have crowed?
mustn't he have crowed?
mustn't we have crowed?
mustn't you have crowed?
mustn't they have crowed?

V-ing perfect

mustn't I have been crowing?
mustn't you have been crowing?
mustn't he have been crowing?
mustn't we have been crowing?
mustn't you have been crowing?
mustn't they have been crowing?

Page top