English verb conjugation COULD COSTUME

Regular verb: costume - costumed - costumed

Affirmation

Simple form

I could costume
you could costume
she could costume
we could costume
you could costume
they could costume

V-ing form

I could be costuming
you could be costuming
she could be costuming
we could be costuming
you could be costuming
they could be costuming

Perfect

I could have costumed
you could have costumed
she could have costumed
we could have costumed
you could have costumed
they could have costumed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I costume?
could you costume?
could she costume?
could we costume?
could you costume?
could they costume?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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