English verb conjugation MUST PURR

Regular verb: purr - purred - purred

Affirmation

Simple form

I must purr
you must purr
he must purr
we must purr
you must purr
they must purr

V-ing form

I must be purring
you must be purring
he must be purring
we must be purring
you must be purring
they must be purring

Perfect

I must have purred
you must have purred
he must have purred
we must have purred
you must have purred
they must have purred

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I purr?
must you purr?
must he purr?
must we purr?
must you purr?
must they purr?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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