English verb conjugation COULD EXTRACT

Regular verb: extract - extracted - extracted


Affirmation

Simple form

I could extract
you could extract
he could extract
we could extract
you could extract
they could extract

V-ing form

I could be extracting
you could be extracting
he could be extracting
we could be extracting
you could be extracting
they could be extracting

Perfect

I could have extracted
you could have extracted
he could have extracted
we could have extracted
you could have extracted
they could have extracted

V-ing perfect

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

Negation

Simple form

I could not extract
you could not extract
he could not extract
we could not extract
you could not extract
they could not extract

V-ing form

I could not be extracting
you could not be extracting
he could not be extracting
we could not be extracting
you could not be extracting
they could not be extracting

Perfect

I could not have extracted
you could not have extracted
he could not have extracted
we could not have extracted
you could not have extracted
they could not have extracted

V-ing perfect

I could not have been extracting
you could not have been extracting
he could not have been extracting
we could not have been extracting
you could not have been extracting
they could not have been extracting

Interrogative form

Simple form

could I extract?
could you extract?
could he extract?
could we extract?
could you extract?
could they extract?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not extract?
could you not extract?
could he not extract?
could we not extract?
could you not extract?
could they not extract?

V-ing form

could I not be extracting?
could you not be extracting?
could he not be extracting?
could we not be extracting?
could you not be extracting?
could they not be extracting?

Perfect

could I not have extracted?
could you not have extracted?
could he not have extracted?
could we not have extracted?
could you not have extracted?
could they not have extracted?

V-ing perfect

could I not have been extracting?
could you not have been extracting?
could he not have been extracting?
could we not have been extracting?
could you not have been extracting?
could they not have been extracting?