English verb conjugation COULD COSTUME

Regular verb: costume - costumed - costumed

Affirmation

Simple form

I could costume
you could costume
he could costume
we could costume
you could costume
they could costume

V-ing form

I could be costuming
you could be costuming
he could be costuming
we could be costuming
you could be costuming
they could be costuming

Perfect

I could have costumed
you could have costumed
he 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
he 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
he 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
he 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
he 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
he 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 he costume?
could we costume?
could you costume?
could they costume?

V-ing form

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

Perfect

could I have costumed?
could you have costumed?
could he 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 he 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 he 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 he 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 he 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 he 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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