English verb conjugation COULD PREFERTILISE

Regular verb: prefertilise - prefertilised - prefertilised

Affirmation

Simple form

I could prefertilise
you could prefertilise
he could prefertilise
we could prefertilise
you could prefertilise
they could prefertilise

V-ing form

I could be prefertilising
you could be prefertilising
he could be prefertilising
we could be prefertilising
you could be prefertilising
they could be prefertilising

Perfect

I could have prefertilised
you could have prefertilised
he could have prefertilised
we could have prefertilised
you could have prefertilised
they could have prefertilised

V-ing perfect

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

Negation

Simple form

I could not prefertilise
you could not prefertilise
he could not prefertilise
we could not prefertilise
you could not prefertilise
they could not prefertilise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I prefertilise?
could you prefertilise?
could he prefertilise?
could we prefertilise?
could you prefertilise?
could they prefertilise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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