English verb conjugation MUST DECK

Regular verb: deck - decked - decked

Affirmation

Simple form

I must deck
you must deck
he must deck
we must deck
you must deck
they must deck

V-ing form

I must be decking
you must be decking
he must be decking
we must be decking
you must be decking
they must be decking

Perfect

I must have decked
you must have decked
he must have decked
we must have decked
you must have decked
they must have decked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I deck?
must you deck?
must he deck?
must we deck?
must you deck?
must they deck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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