English verb conjugation MUST WINNOW

Regular verb: winnow - winnowed - winnowed

Affirmation

Simple form

I must winnow
you must winnow
he must winnow
we must winnow
you must winnow
they must winnow

V-ing form

I must be winnowing
you must be winnowing
he must be winnowing
we must be winnowing
you must be winnowing
they must be winnowing

Perfect

I must have winnowed
you must have winnowed
he must have winnowed
we must have winnowed
you must have winnowed
they must have winnowed

V-ing perfect

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

Negation

Simple form

I mustn't winnow
you mustn't winnow
he mustn't winnow
we mustn't winnow
you mustn't winnow
they mustn't winnow

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I winnow?
must you winnow?
must he winnow?
must we winnow?
must you winnow?
must they winnow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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