English verb conjugation COULD EXTEMPORISE

Regular verb: extemporise - extemporised - extemporised

Affirmation

Simple form

I could extemporise
you could extemporise
he could extemporise
we could extemporise
you could extemporise
they could extemporise

V-ing form

I could be extemporising
you could be extemporising
he could be extemporising
we could be extemporising
you could be extemporising
they could be extemporising

Perfect

I could have extemporised
you could have extemporised
he could have extemporised
we could have extemporised
you could have extemporised
they could have extemporised

V-ing perfect

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

Negation

Simple form

I could not extemporise
you could not extemporise
he could not extemporise
we could not extemporise
you could not extemporise
they could not extemporise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I extemporise?
could you extemporise?
could he extemporise?
could we extemporise?
could you extemporise?
could they extemporise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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