Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could bring forward sth you could bring forward sth he could bring forward sth we could bring forward sth you could bring forward sth they could bring forward sth
V-ing form
I could be bring forward sthing you could be bring forward sthing he could be bring forward sthing we could be bring forward sthing you could be bring forward sthing they could be bring forward sthing
Perfect
I could have bring forward sthed you could have bring forward sthed he could have bring forward sthed we could have bring forward sthed you could have bring forward sthed they could have bring forward sthed
V-ing perfect
I could have been bring forward sthing you could have been bring forward sthing he could have been bring forward sthing we could have been bring forward sthing you could have been bring forward sthing they could have been bring forward sthing
Negation
Simple form
I couldn't bring forward sth you couldn't bring forward sth he couldn't bring forward sth we couldn't bring forward sth you couldn't bring forward sth they couldn't bring forward sth
V-ing form
I couldn't be bring forward sthing you couldn't be bring forward sthing he couldn't be bring forward sthing we couldn't be bring forward sthing you couldn't be bring forward sthing they couldn't be bring forward sthing
Perfect
I couldn't have bring forward sthed you couldn't have bring forward sthed he couldn't have bring forward sthed we couldn't have bring forward sthed you couldn't have bring forward sthed they couldn't have bring forward sthed
V-ing perfect
I couldn't have been bring forward sthing you couldn't have been bring forward sthing he couldn't have been bring forward sthing we couldn't have been bring forward sthing you couldn't have been bring forward sthing they couldn't have been bring forward sthing
Interrogative form
Simple form
could I bring forward sth? could you bring forward sth? could he bring forward sth? could we bring forward sth? could you bring forward sth? could they bring forward sth?
V-ing form
could I be bring forward sthing? could you be bring forward sthing? could he be bring forward sthing? could we be bring forward sthing? could you be bring forward sthing? could they be bring forward sthing?
Perfect
could I have bring forward sthed? could you have bring forward sthed? could he have bring forward sthed? could we have bring forward sthed? could you have bring forward sthed? could they have bring forward sthed?
V-ing perfect
could I have been bring forward sthing? could you have been bring forward sthing? could he have been bring forward sthing? could we have been bring forward sthing? could you have been bring forward sthing? could they have been bring forward sthing?
Interro-negative form
Simple form
couldn't I bring forward sth? couldn't you bring forward sth? couldn't he bring forward sth? couldn't we bring forward sth? couldn't you bring forward sth? couldn't they bring forward sth?
V-ing form
couldn't I be bring forward sthing? couldn't you be bring forward sthing? couldn't he be bring forward sthing? couldn't we be bring forward sthing? couldn't you be bring forward sthing? couldn't they be bring forward sthing?
Perfect
couldn't I have bring forward sthed? couldn't you have bring forward sthed? couldn't he have bring forward sthed? couldn't we have bring forward sthed? couldn't you have bring forward sthed? couldn't they have bring forward sthed?
V-ing perfect
couldn't I have been bring forward sthing? couldn't you have been bring forward sthing? couldn't he have been bring forward sthing? couldn't we have been bring forward sthing? couldn't you have been bring forward sthing? couldn't they have been bring forward sthing?