English verb conjugation COULD PREFIX

Regular verb: prefix - prefixed - prefixed

Affirmation

Simple form

I could prefix
you could prefix
she could prefix
we could prefix
you could prefix
they could prefix

V-ing form

I could be prefixing
you could be prefixing
she could be prefixing
we could be prefixing
you could be prefixing
they could be prefixing

Perfect

I could have prefixed
you could have prefixed
she could have prefixed
we could have prefixed
you could have prefixed
they could have prefixed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I prefix?
could you prefix?
could she prefix?
could we prefix?
could you prefix?
could they prefix?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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