English verb conjugation COULD PREFERTILISE

Regular verb: prefertilise - prefertilised - prefertilised

Affirmation

Simple form

I could prefertilise
you could prefertilise
she could prefertilise
we could prefertilise
you could prefertilise
they could prefertilise

V-ing form

I could be prefertilising
you could be prefertilising
she could be prefertilising
we could be prefertilising
you could be prefertilising
they could be prefertilising

Perfect

I could have prefertilised
you could have prefertilised
she 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
she could have been prefertilising
we could have been prefertilising
you could have been prefertilising
they could have been prefertilising

Negation

Simple form

I couldn't prefertilise
you couldn't prefertilise
she couldn't prefertilise
we couldn't prefertilise
you couldn't prefertilise
they couldn't prefertilise

V-ing form

I couldn't be prefertilising
you couldn't be prefertilising
she couldn't be prefertilising
we couldn't be prefertilising
you couldn't be prefertilising
they couldn't be prefertilising

Perfect

I couldn't have prefertilised
you couldn't have prefertilised
she couldn't have prefertilised
we couldn't have prefertilised
you couldn't have prefertilised
they couldn't have prefertilised

V-ing perfect

I couldn't have been prefertilising
you couldn't have been prefertilising
she couldn't have been prefertilising
we couldn't have been prefertilising
you couldn't have been prefertilising
they couldn't have been prefertilising

Interrogative form

Simple form

could I prefertilise?
could you prefertilise?
could she prefertilise?
could we prefertilise?
could you prefertilise?
could they prefertilise?

V-ing form

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

Perfect

could I have prefertilised?
could you have prefertilised?
could she 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 she have been prefertilising?
could we have been prefertilising?
could you have been prefertilising?
could they have been prefertilising?

Interro-negative form

Simple form

couldn't I prefertilise?
couldn't you prefertilise?
couldn't she prefertilise?
couldn't we prefertilise?
couldn't you prefertilise?
couldn't they prefertilise?

V-ing form

couldn't I be prefertilising?
couldn't you be prefertilising?
couldn't she be prefertilising?
couldn't we be prefertilising?
couldn't you be prefertilising?
couldn't they be prefertilising?

Perfect

couldn't I have prefertilised?
couldn't you have prefertilised?
couldn't she have prefertilised?
couldn't we have prefertilised?
couldn't you have prefertilised?
couldn't they have prefertilised?

V-ing perfect

couldn't I have been prefertilising?
couldn't you have been prefertilising?
couldn't she have been prefertilising?
couldn't we have been prefertilising?
couldn't you have been prefertilising?
couldn't they have been prefertilising?

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