English verb conjugation MUST FEATHER

Regular verb: feather - feathered - feathered

Affirmation

Simple form

I must feather
you must feather
she must feather
we must feather
you must feather
they must feather

V-ing form

I must be feathering
you must be feathering
she must be feathering
we must be feathering
you must be feathering
they must be feathering

Perfect

I must have feathered
you must have feathered
she must have feathered
we must have feathered
you must have feathered
they must have feathered

V-ing perfect

I must have been feathering
you must have been feathering
she must have been feathering
we must have been feathering
you must have been feathering
they must have been feathering

Negation

Simple form

I mustn't feather
you mustn't feather
she mustn't feather
we mustn't feather
you mustn't feather
they mustn't feather

V-ing form

I mustn't be feathering
you mustn't be feathering
she mustn't be feathering
we mustn't be feathering
you mustn't be feathering
they mustn't be feathering

Perfect

I mustn't have feathered
you mustn't have feathered
she mustn't have feathered
we mustn't have feathered
you mustn't have feathered
they mustn't have feathered

V-ing perfect

I mustn't have been feathering
you mustn't have been feathering
she mustn't have been feathering
we mustn't have been feathering
you mustn't have been feathering
they mustn't have been feathering

Interrogative form

Simple form

must I feather?
must you feather?
must she feather?
must we feather?
must you feather?
must they feather?

V-ing form

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

Perfect

must I have feathered?
must you have feathered?
must she have feathered?
must we have feathered?
must you have feathered?
must they have feathered?

V-ing perfect

must I have been feathering?
must you have been feathering?
must she have been feathering?
must we have been feathering?
must you have been feathering?
must they have been feathering?

Interro-negative form

Simple form

mustn't I feather?
mustn't you feather?
mustn't she feather?
mustn't we feather?
mustn't you feather?
mustn't they feather?

V-ing form

mustn't I be feathering?
mustn't you be feathering?
mustn't she be feathering?
mustn't we be feathering?
mustn't you be feathering?
mustn't they be feathering?

Perfect

mustn't I have feathered?
mustn't you have feathered?
mustn't she have feathered?
mustn't we have feathered?
mustn't you have feathered?
mustn't they have feathered?

V-ing perfect

mustn't I have been feathering?
mustn't you have been feathering?
mustn't she have been feathering?
mustn't we have been feathering?
mustn't you have been feathering?
mustn't they have been feathering?

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