English verb conjugation MUST ENGRAVE

Regular verb: engrave - engraved - engraved

Affirmation

Simple form

I must engrave
you must engrave
he must engrave
we must engrave
you must engrave
they must engrave

V-ing form

I must be engraving
you must be engraving
he must be engraving
we must be engraving
you must be engraving
they must be engraving

Perfect

I must have engraved
you must have engraved
he must have engraved
we must have engraved
you must have engraved
they must have engraved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I engrave?
must you engrave?
must he engrave?
must we engrave?
must you engrave?
must they engrave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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