English verb conjugation MUST CLUCK

Regular verb: cluck - clucked - clucked

Affirmation

Simple form

I must cluck
you must cluck
he must cluck
we must cluck
you must cluck
they must cluck

V-ing form

I must be clucking
you must be clucking
he must be clucking
we must be clucking
you must be clucking
they must be clucking

Perfect

I must have clucked
you must have clucked
he must have clucked
we must have clucked
you must have clucked
they must have clucked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I cluck?
must you cluck?
must he cluck?
must we cluck?
must you cluck?
must they cluck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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