English verb conjugation COULD CREASE

Regular verb: crease - creased - creased

Affirmation

Simple form

I could crease
you could crease
she could crease
we could crease
you could crease
they could crease

V-ing form

I could be creasing
you could be creasing
she could be creasing
we could be creasing
you could be creasing
they could be creasing

Perfect

I could have creased
you could have creased
she could have creased
we could have creased
you could have creased
they could have creased

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I crease?
could you crease?
could she crease?
could we crease?
could you crease?
could they crease?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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