English verb conjugation COULD OVERFERTILISE

Regular verb: overfertilise - overfertilised - overfertilised

Affirmation

Simple form

I could overfertilise
you could overfertilise
he could overfertilise
we could overfertilise
you could overfertilise
they could overfertilise

V-ing form

I could be overfertilising
you could be overfertilising
he could be overfertilising
we could be overfertilising
you could be overfertilising
they could be overfertilising

Perfect

I could have overfertilised
you could have overfertilised
he could have overfertilised
we could have overfertilised
you could have overfertilised
they could have overfertilised

V-ing perfect

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

Negation

Simple form

I couldn't overfertilise
you couldn't overfertilise
he couldn't overfertilise
we couldn't overfertilise
you couldn't overfertilise
they couldn't overfertilise

V-ing form

I couldn't be overfertilising
you couldn't be overfertilising
he couldn't be overfertilising
we couldn't be overfertilising
you couldn't be overfertilising
they couldn't be overfertilising

Perfect

I couldn't have overfertilised
you couldn't have overfertilised
he couldn't have overfertilised
we couldn't have overfertilised
you couldn't have overfertilised
they couldn't have overfertilised

V-ing perfect

I couldn't have been overfertilising
you couldn't have been overfertilising
he couldn't have been overfertilising
we couldn't have been overfertilising
you couldn't have been overfertilising
they couldn't have been overfertilising

Interrogative form

Simple form

could I overfertilise?
could you overfertilise?
could he overfertilise?
could we overfertilise?
could you overfertilise?
could they overfertilise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I overfertilise?
couldn't you overfertilise?
couldn't he overfertilise?
couldn't we overfertilise?
couldn't you overfertilise?
couldn't they overfertilise?

V-ing form

couldn't I be overfertilising?
couldn't you be overfertilising?
couldn't he be overfertilising?
couldn't we be overfertilising?
couldn't you be overfertilising?
couldn't they be overfertilising?

Perfect

couldn't I have overfertilised?
couldn't you have overfertilised?
couldn't he have overfertilised?
couldn't we have overfertilised?
couldn't you have overfertilised?
couldn't they have overfertilised?

V-ing perfect

couldn't I have been overfertilising?
couldn't you have been overfertilising?
couldn't he have been overfertilising?
couldn't we have been overfertilising?
couldn't you have been overfertilising?
couldn't they have been overfertilising?

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