English verb conjugation COULD COOPER STH

Regular verb: cooper sth - cooper sthed - cooper sthed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could cooper sth
you could cooper sth
he could cooper sth
we could cooper sth
you could cooper sth
they could cooper sth

V-ing form

I could be cooper sthing
you could be cooper sthing
he could be cooper sthing
we could be cooper sthing
you could be cooper sthing
they could be cooper sthing

Perfect

I could have cooper sthed
you could have cooper sthed
he could have cooper sthed
we could have cooper sthed
you could have cooper sthed
they could have cooper sthed

V-ing perfect

I could have been cooper sthing
you could have been cooper sthing
he could have been cooper sthing
we could have been cooper sthing
you could have been cooper sthing
they could have been cooper sthing

Negation

Simple form

I could not cooper sth
you could not cooper sth
he could not cooper sth
we could not cooper sth
you could not cooper sth
they could not cooper sth

V-ing form

I could not be cooper sthing
you could not be cooper sthing
he could not be cooper sthing
we could not be cooper sthing
you could not be cooper sthing
they could not be cooper sthing

Perfect

I could not have cooper sthed
you could not have cooper sthed
he could not have cooper sthed
we could not have cooper sthed
you could not have cooper sthed
they could not have cooper sthed

V-ing perfect

I could not have been cooper sthing
you could not have been cooper sthing
he could not have been cooper sthing
we could not have been cooper sthing
you could not have been cooper sthing
they could not have been cooper sthing

Interrogative form

Simple form

could I cooper sth?
could you cooper sth?
could he cooper sth?
could we cooper sth?
could you cooper sth?
could they cooper sth?

V-ing form

could I be cooper sthing?
could you be cooper sthing?
could he be cooper sthing?
could we be cooper sthing?
could you be cooper sthing?
could they be cooper sthing?

Perfect

could I have cooper sthed?
could you have cooper sthed?
could he have cooper sthed?
could we have cooper sthed?
could you have cooper sthed?
could they have cooper sthed?

V-ing perfect

could I have been cooper sthing?
could you have been cooper sthing?
could he have been cooper sthing?
could we have been cooper sthing?
could you have been cooper sthing?
could they have been cooper sthing?

Interro-negative form

Simple form

could I not cooper sth?
could you not cooper sth?
could he not cooper sth?
could we not cooper sth?
could you not cooper sth?
could they not cooper sth?

V-ing form

could I not be cooper sthing?
could you not be cooper sthing?
could he not be cooper sthing?
could we not be cooper sthing?
could you not be cooper sthing?
could they not be cooper sthing?

Perfect

could I not have cooper sthed?
could you not have cooper sthed?
could he not have cooper sthed?
could we not have cooper sthed?
could you not have cooper sthed?
could they not have cooper sthed?

V-ing perfect

could I not have been cooper sthing?
could you not have been cooper sthing?
could he not have been cooper sthing?
could we not have been cooper sthing?
could you not have been cooper sthing?
could they not have been cooper sthing?

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