English verb conjugation MUST IMPROVISE

Regular verb: improvise - improvised - improvised

Affirmation

Simple form

I must improvise
you must improvise
he must improvise
we must improvise
you must improvise
they must improvise

V-ing form

I must be improvising
you must be improvising
he must be improvising
we must be improvising
you must be improvising
they must be improvising

Perfect

I must have improvised
you must have improvised
he must have improvised
we must have improvised
you must have improvised
they must have improvised

V-ing perfect

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

Negation

Simple form

I must not improvise
you must not improvise
he must not improvise
we must not improvise
you must not improvise
they must not improvise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I improvise?
must you improvise?
must he improvise?
must we improvise?
must you improvise?
must they improvise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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