English verb conjugation COULD CONCERTISE

Regular verb: concertise - concertised - concertised

Affirmation

Simple form

I could concertise
you could concertise
he could concertise
we could concertise
you could concertise
they could concertise

V-ing form

I could be concertising
you could be concertising
he could be concertising
we could be concertising
you could be concertising
they could be concertising

Perfect

I could have concertised
you could have concertised
he could have concertised
we could have concertised
you could have concertised
they could have concertised

V-ing perfect

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

Negation

Simple form

I could not concertise
you could not concertise
he could not concertise
we could not concertise
you could not concertise
they could not concertise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I concertise?
could you concertise?
could he concertise?
could we concertise?
could you concertise?
could they concertise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top