English verb conjugation MUST BURN

Regular verb: burn - burned - burned

Affirmation

Simple form

I must burn
you must burn
she must burn
we must burn
you must burn
they must burn

V-ing form

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

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

V-ing perfect

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

I must not burn
you must not burn
she must not burn
we must not burn
you must not burn
they must not burn

V-ing form

I must not be burning
you must not be burning
she must not be burning
we must not be burning
you must not be burning
they must not be burning

Perfect

I must not have burned
you must not have burned
she must not have burned
we must not have burned
you must not have burned
they must not have burned

V-ing perfect

I must not have been burning
you must not have been burning
she must not have been burning
we must not have been burning
you must not have been burning
they must not have been burning

Interrogative form

Simple form

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

V-ing form

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

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

V-ing perfect

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

must I not burn?
must you not burn?
must she not burn?
must we not burn?
must you not burn?
must they not burn?

V-ing form

must I not be burning?
must you not be burning?
must she not be burning?
must we not be burning?
must you not be burning?
must they not be burning?

Perfect

must I not have burned?
must you not have burned?
must she not have burned?
must we not have burned?
must you not have burned?
must they not have burned?

V-ing perfect

must I not have been burning?
must you not have been burning?
must she not have been burning?
must we not have been burning?
must you not have been burning?
must they not have been burning?

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