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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

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 couldn't prefertilise
you couldn't prefertilise
he 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
he 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
he 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
he 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 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
couldn't I prefertilise?
couldn't you prefertilise?
couldn't he 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 he 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 he 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 he have been prefertilising?
couldn't we have been prefertilising?
couldn't you have been prefertilising?
couldn't they have been prefertilising?