English verb conjugation MUST SWAN

Regular verb: swan - swaned - swaned

Affirmation

Simple form

I must swan
you must swan
he must swan
we must swan
you must swan
they must swan

V-ing form

I must be swaning
you must be swaning
he must be swaning
we must be swaning
you must be swaning
they must be swaning

Perfect

I must have swaned
you must have swaned
he must have swaned
we must have swaned
you must have swaned
they must have swaned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I swan?
must you swan?
must he swan?
must we swan?
must you swan?
must they swan?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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