English verb conjugation MUST EXTEMPORISE

Regular verb: extemporise - extemporised - extemporised

Affirmation

Simple form

I must extemporise
you must extemporise
he must extemporise
we must extemporise
you must extemporise
they must extemporise

V-ing form

I must be extemporising
you must be extemporising
he must be extemporising
we must be extemporising
you must be extemporising
they must be extemporising

Perfect

I must have extemporised
you must have extemporised
he must have extemporised
we must have extemporised
you must have extemporised
they must have extemporised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I extemporise?
must you extemporise?
must he extemporise?
must we extemporise?
must you extemporise?
must they extemporise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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