English verb conjugation COULD ATTACH

Regular verb: attach - attached - attached

Affirmation

Simple form

I could attach
you could attach
he could attach
we could attach
you could attach
they could attach

V-ing form

I could be attaching
you could be attaching
he could be attaching
we could be attaching
you could be attaching
they could be attaching

Perfect

I could have attached
you could have attached
he could have attached
we could have attached
you could have attached
they could have attached

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I attach?
could you attach?
could he attach?
could we attach?
could you attach?
could they attach?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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