English verb conjugation COULD IMPROVISE

Regular verb: improvise - improvised - improvised

Affirmation

Simple form

I could improvise
you could improvise
she could improvise
we could improvise
you could improvise
they could improvise

V-ing form

I could be improvising
you could be improvising
she could be improvising
we could be improvising
you could be improvising
they could be improvising

Perfect

I could have improvised
you could have improvised
she could have improvised
we could have improvised
you could have improvised
they could have improvised

V-ing perfect

I could have been improvising
you could have been improvising
she could have been improvising
we could have been improvising
you could have been improvising
they could have been improvising

Negation

Simple form

I could not improvise
you could not improvise
she could not improvise
we could not improvise
you could not improvise
they could not improvise

V-ing form

I could not be improvising
you could not be improvising
she could not be improvising
we could not be improvising
you could not be improvising
they could not be improvising

Perfect

I could not have improvised
you could not have improvised
she could not have improvised
we could not have improvised
you could not have improvised
they could not have improvised

V-ing perfect

I could not have been improvising
you could not have been improvising
she could not have been improvising
we could not have been improvising
you could not have been improvising
they could not have been improvising

Interrogative form

Simple form

could I improvise?
could you improvise?
could she improvise?
could we improvise?
could you improvise?
could they improvise?

V-ing form

could I be improvising?
could you be improvising?
could she be improvising?
could we be improvising?
could you be improvising?
could they be improvising?

Perfect

could I have improvised?
could you have improvised?
could she have improvised?
could we have improvised?
could you have improvised?
could they have improvised?

V-ing perfect

could I have been improvising?
could you have been improvising?
could she have been improvising?
could we have been improvising?
could you have been improvising?
could they have been improvising?

Interro-negative form

Simple form

could I not improvise?
could you not improvise?
could she not improvise?
could we not improvise?
could you not improvise?
could they not improvise?

V-ing form

could I not be improvising?
could you not be improvising?
could she not be improvising?
could we not be improvising?
could you not be improvising?
could they not be improvising?

Perfect

could I not have improvised?
could you not have improvised?
could she not have improvised?
could we not have improvised?
could you not have improvised?
could they not have improvised?

V-ing perfect

could I not have been improvising?
could you not have been improvising?
could she not have been improvising?
could we not have been improvising?
could you not have been improvising?
could they not have been improvising?

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