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 must not extemporise
you must not extemporise
he must not extemporise
we must not extemporise
you must not extemporise
they must not extemporise

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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