English verb conjugation
COULD TRIUMPH

Regular verb: triumph - triumphed - triumphed

Affirmation

Simple form	V-ing form
I could triumph you could triumph she could triumph we could triumph you could triumph they could triumph	I could be triumphing you could be triumphing she could be triumphing we could be triumphing you could be triumphing they could be triumphing
Perfect	V-ing perfect
I could have triumphed you could have triumphed she could have triumphed we could have triumphed you could have triumphed they could have triumphed	I could have been triumphing you could have been triumphing she could have been triumphing we could have been triumphing you could have been triumphing they could have been triumphing

Negation

Simple form	V-ing form
I could not triumph you could not triumph she could not triumph we could not triumph you could not triumph they could not triumph	I could not be triumphing you could not be triumphing she could not be triumphing we could not be triumphing you could not be triumphing they could not be triumphing
Perfect	V-ing perfect
I could not have triumphed you could not have triumphed she could not have triumphed we could not have triumphed you could not have triumphed they could not have triumphed	I could not have been triumphing you could not have been triumphing she could not have been triumphing we could not have been triumphing you could not have been triumphing they could not have been triumphing

Interrogative form

Simple form	V-ing form
could I triumph? could you triumph? could she triumph? could we triumph? could you triumph? could they triumph?	could I be triumphing? could you be triumphing? could she be triumphing? could we be triumphing? could you be triumphing? could they be triumphing?
Perfect	V-ing perfect
could I have triumphed? could you have triumphed? could she have triumphed? could we have triumphed? could you have triumphed? could they have triumphed?	could I have been triumphing? could you have been triumphing? could she have been triumphing? could we have been triumphing? could you have been triumphing? could they have been triumphing?

Interro-negative form

Simple form	V-ing form
could I not triumph? could you not triumph? could she not triumph? could we not triumph? could you not triumph? could they not triumph?	could I not be triumphing? could you not be triumphing? could she not be triumphing? could we not be triumphing? could you not be triumphing? could they not be triumphing?
Perfect	V-ing perfect
could I not have triumphed? could you not have triumphed? could she not have triumphed? could we not have triumphed? could you not have triumphed? could they not have triumphed?	could I not have been triumphing? could you not have been triumphing? could she not have been triumphing? could we not have been triumphing? could you not have been triumphing? could they not have been triumphing?