English verb conjugation COULD PRESTERILIZE

Regular verb: presterilize - presterilized - presterilized

Affirmation

Simple form

I could presterilize
you could presterilize
he could presterilize
we could presterilize
you could presterilize
they could presterilize

V-ing form

I could be presterilizing
you could be presterilizing
he could be presterilizing
we could be presterilizing
you could be presterilizing
they could be presterilizing

Perfect

I could have presterilized
you could have presterilized
he could have presterilized
we could have presterilized
you could have presterilized
they could have presterilized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I presterilize?
could you presterilize?
could he presterilize?
could we presterilize?
could you presterilize?
could they presterilize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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