English verb conjugation MUST ITCH

Regular verb: itch - itched - itched

Affirmation

Simple form

I must itch
you must itch
she must itch
we must itch
you must itch
they must itch

V-ing form

I must be itching
you must be itching
she must be itching
we must be itching
you must be itching
they must be itching

Perfect

I must have itched
you must have itched
she must have itched
we must have itched
you must have itched
they must have itched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I itch?
must you itch?
must she itch?
must we itch?
must you itch?
must they itch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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