English verb conjugation MUST ETCH

Regular verb: etch - etched - etched

Affirmation

Simple form

I must etch
you must etch
he must etch
we must etch
you must etch
they must etch

V-ing form

I must be etching
you must be etching
he must be etching
we must be etching
you must be etching
they must be etching

Perfect

I must have etched
you must have etched
he must have etched
we must have etched
you must have etched
they must have etched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I etch?
must you etch?
must he etch?
must we etch?
must you etch?
must they etch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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