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	V-ing form
I could come up with sth you could come up with sth she could come up with sth we could come up with sth you could come up with sth they could come up with sth	I could be come up with sthing you could be come up with sthing she 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	V-ing perfect
I could have come up with sthed you could have come up with sthed she 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	I could have been come up with sthing you could have been come up with sthing she 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	V-ing form
I couldn't come up with sth you couldn't come up with sth she couldn't come up with sth we couldn't come up with sth you couldn't come up with sth they couldn't come up with sth	I couldn't be come up with sthing you couldn't be come up with sthing she couldn't be come up with sthing we couldn't be come up with sthing you couldn't be come up with sthing they couldn't be come up with sthing
Perfect	V-ing perfect
I couldn't have come up with sthed you couldn't have come up with sthed she couldn't have come up with sthed we couldn't have come up with sthed you couldn't have come up with sthed they couldn't have come up with sthed	I couldn't have been come up with sthing you couldn't have been come up with sthing she couldn't have been come up with sthing we couldn't have been come up with sthing you couldn't have been come up with sthing they couldn't have been come up with sthing

Interrogative form

Simple form	V-ing form
could I come up with sth? could you come up with sth? could she come up with sth? could we come up with sth? could you come up with sth? could they come up with sth?	could I be come up with sthing? could you be come up with sthing? could she 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	V-ing perfect
could I have come up with sthed? could you have come up with sthed? could she 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?	could I have been come up with sthing? could you have been come up with sthing? could she 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	V-ing form
couldn't I come up with sth? couldn't you come up with sth? couldn't she come up with sth? couldn't we come up with sth? couldn't you come up with sth? couldn't they come up with sth?	couldn't I be come up with sthing? couldn't you be come up with sthing? couldn't she be come up with sthing? couldn't we be come up with sthing? couldn't you be come up with sthing? couldn't they be come up with sthing?
Perfect	V-ing perfect
couldn't I have come up with sthed? couldn't you have come up with sthed? couldn't she have come up with sthed? couldn't we have come up with sthed? couldn't you have come up with sthed? couldn't they have come up with sthed?	couldn't I have been come up with sthing? couldn't you have been come up with sthing? couldn't she have been come up with sthing? couldn't we have been come up with sthing? couldn't you have been come up with sthing? couldn't they have been come up with sthing?