English verb conjugation COULD COME UP WITH STH

Regular verb: come up with sth - come up with sthed - come up with sthed

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

Affirmation

Simple form

I could come up with sth
you could come up with sth
he could come up with sth
we could come up with sth
you could come up with sth
they could come up with sth

V-ing form

I could be come up with sthing
you could be come up with sthing
he could be come up with sthing
we could be come up with sthing
you could be come up with sthing
they could be come up with sthing

Perfect

I could have come up with sthed
you could have come up with sthed
he could have come up with sthed
we could have come up with sthed
you could have come up with sthed
they could have come up with sthed

V-ing perfect

I could have been come up with sthing
you could have been come up with sthing
he could have been come up with sthing
we could have been come up with sthing
you could have been come up with sthing
they could have been come up with sthing

Negation

Simple form

I could not come up with sth
you could not come up with sth
he could not come up with sth
we could not come up with sth
you could not come up with sth
they could not come up with sth

V-ing form

I could not be come up with sthing
you could not be come up with sthing
he could not be come up with sthing
we could not be come up with sthing
you could not be come up with sthing
they could not be come up with sthing

Perfect

I could not have come up with sthed
you could not have come up with sthed
he could not have come up with sthed
we could not have come up with sthed
you could not have come up with sthed
they could not have come up with sthed

V-ing perfect

I could not have been come up with sthing
you could not have been come up with sthing
he could not have been come up with sthing
we could not have been come up with sthing
you could not have been come up with sthing
they could not have been come up with sthing

Interrogative form

Simple form

could I come up with sth?
could you come up with sth?
could he come up with sth?
could we come up with sth?
could you come up with sth?
could they come up with sth?

V-ing form

could I be come up with sthing?
could you be come up with sthing?
could he be come up with sthing?
could we be come up with sthing?
could you be come up with sthing?
could they be come up with sthing?

Perfect

could I have come up with sthed?
could you have come up with sthed?
could he have come up with sthed?
could we have come up with sthed?
could you have come up with sthed?
could they have come up with sthed?

V-ing perfect

could I have been come up with sthing?
could you have been come up with sthing?
could he have been come up with sthing?
could we have been come up with sthing?
could you have been come up with sthing?
could they have been come up with sthing?

Interro-negative form

Simple form

could I not come up with sth?
could you not come up with sth?
could he not come up with sth?
could we not come up with sth?
could you not come up with sth?
could they not come up with sth?

V-ing form

could I not be come up with sthing?
could you not be come up with sthing?
could he not be come up with sthing?
could we not be come up with sthing?
could you not be come up with sthing?
could they not be come up with sthing?

Perfect

could I not have come up with sthed?
could you not have come up with sthed?
could he not have come up with sthed?
could we not have come up with sthed?
could you not have come up with sthed?
could they not have come up with sthed?

V-ing perfect

could I not have been come up with sthing?
could you not have been come up with sthing?
could he not have been come up with sthing?
could we not have been come up with sthing?
could you not have been come up with sthing?
could they not have been come up with sthing?

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