English verb conjugation COULD OBTAIN

Regular verb: obtain - obtained - obtained

Affirmation

Simple form

I could obtain
you could obtain
he could obtain
we could obtain
you could obtain
they could obtain

V-ing form

I could be obtaining
you could be obtaining
he could be obtaining
we could be obtaining
you could be obtaining
they could be obtaining

Perfect

I could have obtained
you could have obtained
he could have obtained
we could have obtained
you could have obtained
they could have obtained

V-ing perfect

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

Negation

Simple form

I could not obtain
you could not obtain
he could not obtain
we could not obtain
you could not obtain
they could not obtain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I obtain?
could you obtain?
could he obtain?
could we obtain?
could you obtain?
could they obtain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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