English verb conjugation COULD PRESTERILISE

Regular verb: presterilise - presterilised - presterilised

Affirmation

Simple form

I could presterilise
you could presterilise
he could presterilise
we could presterilise
you could presterilise
they could presterilise

V-ing form

I could be presterilising
you could be presterilising
he could be presterilising
we could be presterilising
you could be presterilising
they could be presterilising

Perfect

I could have presterilised
you could have presterilised
he could have presterilised
we could have presterilised
you could have presterilised
they could have presterilised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I presterilise?
could you presterilise?
could he presterilise?
could we presterilise?
could you presterilise?
could they presterilise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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