English verb conjugation MUST EXTINGUISH

Regular verb: extinguish - extinguished - extinguished

Affirmation

Simple form

I must extinguish
you must extinguish
she must extinguish
we must extinguish
you must extinguish
they must extinguish

V-ing form

I must be extinguishing
you must be extinguishing
she must be extinguishing
we must be extinguishing
you must be extinguishing
they must be extinguishing

Perfect

I must have extinguished
you must have extinguished
she must have extinguished
we must have extinguished
you must have extinguished
they must have extinguished

V-ing perfect

I must have been extinguishing
you must have been extinguishing
she must have been extinguishing
we must have been extinguishing
you must have been extinguishing
they must have been extinguishing

Negation

Simple form

I mustn't extinguish
you mustn't extinguish
she mustn't extinguish
we mustn't extinguish
you mustn't extinguish
they mustn't extinguish

V-ing form

I mustn't be extinguishing
you mustn't be extinguishing
she mustn't be extinguishing
we mustn't be extinguishing
you mustn't be extinguishing
they mustn't be extinguishing

Perfect

I mustn't have extinguished
you mustn't have extinguished
she mustn't have extinguished
we mustn't have extinguished
you mustn't have extinguished
they mustn't have extinguished

V-ing perfect

I mustn't have been extinguishing
you mustn't have been extinguishing
she mustn't have been extinguishing
we mustn't have been extinguishing
you mustn't have been extinguishing
they mustn't have been extinguishing

Interrogative form

Simple form

must I extinguish?
must you extinguish?
must she extinguish?
must we extinguish?
must you extinguish?
must they extinguish?

V-ing form

must I be extinguishing?
must you be extinguishing?
must she be extinguishing?
must we be extinguishing?
must you be extinguishing?
must they be extinguishing?

Perfect

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

V-ing perfect

must I have been extinguishing?
must you have been extinguishing?
must she have been extinguishing?
must we have been extinguishing?
must you have been extinguishing?
must they have been extinguishing?

Interro-negative form

Simple form

mustn't I extinguish?
mustn't you extinguish?
mustn't she extinguish?
mustn't we extinguish?
mustn't you extinguish?
mustn't they extinguish?

V-ing form

mustn't I be extinguishing?
mustn't you be extinguishing?
mustn't she be extinguishing?
mustn't we be extinguishing?
mustn't you be extinguishing?
mustn't they be extinguishing?

Perfect

mustn't I have extinguished?
mustn't you have extinguished?
mustn't she have extinguished?
mustn't we have extinguished?
mustn't you have extinguished?
mustn't they have extinguished?

V-ing perfect

mustn't I have been extinguishing?
mustn't you have been extinguishing?
mustn't she have been extinguishing?
mustn't we have been extinguishing?
mustn't you have been extinguishing?
mustn't they have been extinguishing?

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