English verb conjugation COULD EXTRACT

Regular verb: extract - extracted - extracted

Affirmation

Simple form

I could extract
you could extract
she could extract
we could extract
you could extract
they could extract

V-ing form

I could be extracting
you could be extracting
she could be extracting
we could be extracting
you could be extracting
they could be extracting

Perfect

I could have extracted
you could have extracted
she 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
she could have been extracting
we could have been extracting
you could have been extracting
they could have been extracting

Negation

Simple form

I couldn't extract
you couldn't extract
she couldn't extract
we couldn't extract
you couldn't extract
they couldn't extract

V-ing form

I couldn't be extracting
you couldn't be extracting
she couldn't be extracting
we couldn't be extracting
you couldn't be extracting
they couldn't be extracting

Perfect

I couldn't have extracted
you couldn't have extracted
she couldn't have extracted
we couldn't have extracted
you couldn't have extracted
they couldn't have extracted

V-ing perfect

I couldn't have been extracting
you couldn't have been extracting
she couldn't have been extracting
we couldn't have been extracting
you couldn't have been extracting
they couldn't have been extracting

Interrogative form

Simple form

could I extract?
could you extract?
could she extract?
could we extract?
could you extract?
could they extract?

V-ing form

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

Perfect

could I have extracted?
could you have extracted?
could she 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 she have been extracting?
could we have been extracting?
could you have been extracting?
could they have been extracting?

Interro-negative form

Simple form

couldn't I extract?
couldn't you extract?
couldn't she extract?
couldn't we extract?
couldn't you extract?
couldn't they extract?

V-ing form

couldn't I be extracting?
couldn't you be extracting?
couldn't she be extracting?
couldn't we be extracting?
couldn't you be extracting?
couldn't they be extracting?

Perfect

couldn't I have extracted?
couldn't you have extracted?
couldn't she have extracted?
couldn't we have extracted?
couldn't you have extracted?
couldn't they have extracted?

V-ing perfect

couldn't I have been extracting?
couldn't you have been extracting?
couldn't she have been extracting?
couldn't we have been extracting?
couldn't you have been extracting?
couldn't they have been extracting?

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