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 must not deck
you must not deck
he must not deck
we must not deck
you must not deck
they must not deck

V-ing form

I must not be decking
you must not be decking
he must not be decking
we must not be decking
you must not be decking
they must not be decking

Perfect

I must not have decked
you must not have decked
he must not have decked
we must not have decked
you must not have decked
they must not have decked

V-ing perfect

I must not have been decking
you must not have been decking
he must not have been decking
we must not have been decking
you must not have been decking
they must not 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

must I not deck?
must you not deck?
must he not deck?
must we not deck?
must you not deck?
must they not deck?

V-ing form

must I not be decking?
must you not be decking?
must he not be decking?
must we not be decking?
must you not be decking?
must they not be decking?

Perfect

must I not have decked?
must you not have decked?
must he not have decked?
must we not have decked?
must you not have decked?
must they not have decked?

V-ing perfect

must I not have been decking?
must you not have been decking?
must he not have been decking?
must we not have been decking?
must you not have been decking?
must they not have been decking?

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