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 must not burl
you must not burl
he must not burl
we must not burl
you must not burl
they must not burl

V-ing form

I must not be burling
you must not be burling
he must not be burling
we must not be burling
you must not be burling
they must not be burling

Perfect

I must not have burled
you must not have burled
he must not have burled
we must not have burled
you must not have burled
they must not have burled

V-ing perfect

I must not have been burling
you must not have been burling
he must not have been burling
we must not have been burling
you must not have been burling
they must not 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

must I not burl?
must you not burl?
must he not burl?
must we not burl?
must you not burl?
must they not burl?

V-ing form

must I not be burling?
must you not be burling?
must he not be burling?
must we not be burling?
must you not be burling?
must they not be burling?

Perfect

must I not have burled?
must you not have burled?
must he not have burled?
must we not have burled?
must you not have burled?
must they not have burled?

V-ing perfect

must I not have been burling?
must you not have been burling?
must he not have been burling?
must we not have been burling?
must you not have been burling?
must they not have been burling?

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