English verb conjugation COULD ATTAIN

Regular verb: attain - attained - attained

Affirmation

Simple form

I could attain
you could attain
she could attain
we could attain
you could attain
they could attain

V-ing form

I could be attaining
you could be attaining
she could be attaining
we could be attaining
you could be attaining
they could be attaining

Perfect

I could have attained
you could have attained
she could have attained
we could have attained
you could have attained
they could have attained

V-ing perfect

I could have been attaining
you could have been attaining
she could have been attaining
we could have been attaining
you could have been attaining
they could have been attaining

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I attain?
could you attain?
could she attain?
could we attain?
could you attain?
could they attain?

V-ing form

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

Perfect

could I have attained?
could you have attained?
could she have attained?
could we have attained?
could you have attained?
could they have attained?

V-ing perfect

could I have been attaining?
could you have been attaining?
could she have been attaining?
could we have been attaining?
could you have been attaining?
could they have been attaining?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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