The Conjugator
English verb conjugation
MUST BURN

Regular verb: burn - burned - burned

Affirmation

Simple form

V-ing form

I must burn
you must burn
she must burn
we must burn
you must burn
they must burn
I must be burning
you must be burning
she must be burning
we must be burning
you must be burning
they must be burning

Perfect

V-ing perfect

I must have burned
you must have burned
she must have burned
we must have burned
you must have burned
they must have burned
I must have been burning
you must have been burning
she must have been burning
we must have been burning
you must have been burning
they must have been burning

Negation

Simple form

V-ing form

I mustn't burn
you mustn't burn
she mustn't burn
we mustn't burn
you mustn't burn
they mustn't burn
I mustn't be burning
you mustn't be burning
she mustn't be burning
we mustn't be burning
you mustn't be burning
they mustn't be burning

Perfect

V-ing perfect

I mustn't have burned
you mustn't have burned
she mustn't have burned
we mustn't have burned
you mustn't have burned
they mustn't have burned
I mustn't have been burning
you mustn't have been burning
she mustn't have been burning
we mustn't have been burning
you mustn't have been burning
they mustn't have been burning

Interrogative form

Simple form

V-ing form

must I burn?
must you burn?
must she burn?
must we burn?
must you burn?
must they burn?
must I be burning?
must you be burning?
must she be burning?
must we be burning?
must you be burning?
must they be burning?

Perfect

V-ing perfect

must I have burned?
must you have burned?
must she have burned?
must we have burned?
must you have burned?
must they have burned?
must I have been burning?
must you have been burning?
must she have been burning?
must we have been burning?
must you have been burning?
must they have been burning?

Interro-negative form

Simple form

V-ing form

mustn't I burn?
mustn't you burn?
mustn't she burn?
mustn't we burn?
mustn't you burn?
mustn't they burn?
mustn't I be burning?
mustn't you be burning?
mustn't she be burning?
mustn't we be burning?
mustn't you be burning?
mustn't they be burning?

Perfect

V-ing perfect

mustn't I have burned?
mustn't you have burned?
mustn't she have burned?
mustn't we have burned?
mustn't you have burned?
mustn't they have burned?
mustn't I have been burning?
mustn't you have been burning?
mustn't she have been burning?
mustn't we have been burning?
mustn't you have been burning?
mustn't they have been burning?