English verb conjugation MUST FLAG

Regular verb: flag - flagged - flagged

Affirmation

Simple form

I must flag
you must flag
he must flag
we must flag
you must flag
they must flag

V-ing form

I must be flagging
you must be flagging
he must be flagging
we must be flagging
you must be flagging
they must be flagging

Perfect

I must have flagged
you must have flagged
he must have flagged
we must have flagged
you must have flagged
they must have flagged

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flag?
must you flag?
must he flag?
must we flag?
must you flag?
must they flag?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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