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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST SIT

Irregular verb: sit - sat - sat


Affirmation

Simple form
I must sit
you must sit
he must sit
we must sit
you must sit
they must sit
V-ing form
I must be sitting
you must be sitting
he must be sitting
we must be sitting
you must be sitting
they must be sitting
Perfect
I must have sat
you must have sat
he must have sat
we must have sat
you must have sat
they must have sat
V-ing perfect
I must have been sitting
you must have been sitting
he must have been sitting
we must have been sitting
you must have been sitting
they must have been sitting

Negation

Simple form
I mustn't sit
you mustn't sit
he mustn't sit
we mustn't sit
you mustn't sit
they mustn't sit
V-ing form
I mustn't be sitting
you mustn't be sitting
he mustn't be sitting
we mustn't be sitting
you mustn't be sitting
they mustn't be sitting
Perfect
I mustn't have sat
you mustn't have sat
he mustn't have sat
we mustn't have sat
you mustn't have sat
they mustn't have sat
V-ing perfect
I mustn't have been sitting
you mustn't have been sitting
he mustn't have been sitting
we mustn't have been sitting
you mustn't have been sitting
they mustn't have been sitting

Interrogative form

Simple form
must I sit?
must you sit?
must he sit?
must we sit?
must you sit?
must they sit?
V-ing form
must I be sitting?
must you be sitting?
must he be sitting?
must we be sitting?
must you be sitting?
must they be sitting?
Perfect
must I have sat?
must you have sat?
must he have sat?
must we have sat?
must you have sat?
must they have sat?
V-ing perfect
must I have been sitting?
must you have been sitting?
must he have been sitting?
must we have been sitting?
must you have been sitting?
must they have been sitting?

Interro-negative form

Simple form
mustn't I sit?
mustn't you sit?
mustn't he sit?
mustn't we sit?
mustn't you sit?
mustn't they sit?
V-ing form
mustn't I be sitting?
mustn't you be sitting?
mustn't he be sitting?
mustn't we be sitting?
mustn't you be sitting?
mustn't they be sitting?
Perfect
mustn't I have sat?
mustn't you have sat?
mustn't he have sat?
mustn't we have sat?
mustn't you have sat?
mustn't they have sat?
V-ing perfect
mustn't I have been sitting?
mustn't you have been sitting?
mustn't he have been sitting?
mustn't we have been sitting?
mustn't you have been sitting?
mustn't they have been sitting?