English verb conjugation MUST SILK

Regular verb: silk - silked - silked

Affirmation

Simple form

I must silk
you must silk
he must silk
we must silk
you must silk
they must silk

V-ing form

I must be silking
you must be silking
he must be silking
we must be silking
you must be silking
they must be silking

Perfect

I must have silked
you must have silked
he must have silked
we must have silked
you must have silked
they must have silked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I silk?
must you silk?
must he silk?
must we silk?
must you silk?
must they silk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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