English verb conjugation MUST GNAW

Regular verb: gnaw - gnawed - gnawed

Affirmation

Simple form

I must gnaw
you must gnaw
he must gnaw
we must gnaw
you must gnaw
they must gnaw

V-ing form

I must be gnawing
you must be gnawing
he must be gnawing
we must be gnawing
you must be gnawing
they must be gnawing

Perfect

I must have gnawed
you must have gnawed
he must have gnawed
we must have gnawed
you must have gnawed
they must have gnawed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gnaw?
must you gnaw?
must he gnaw?
must we gnaw?
must you gnaw?
must they gnaw?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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