English verb conjugation MUST BURL

Regular verb: burl - burled - burled

Affirmation

Simple form

I must burl
you must burl
he must burl
we must burl
you must burl
they must burl

V-ing form

I must be burling
you must be burling
he must be burling
we must be burling
you must be burling
they must be burling

Perfect

I must have burled
you must have burled
he must have burled
we must have burled
you must have burled
they must have burled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I burl?
must you burl?
must he burl?
must we burl?
must you burl?
must they burl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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