English verb conjugation
COULD SHOUT

Regular verb: shout - shouted - shouted

Affirmation

Simple form	V-ing form
I could shout you could shout he could shout we could shout you could shout they could shout	I could be shouting you could be shouting he could be shouting we could be shouting you could be shouting they could be shouting
Perfect	V-ing perfect
I could have shouted you could have shouted he could have shouted we could have shouted you could have shouted they could have shouted	I could have been shouting you could have been shouting he could have been shouting we could have been shouting you could have been shouting they could have been shouting

Negation

Simple form	V-ing form
I couldn't shout you couldn't shout he couldn't shout we couldn't shout you couldn't shout they couldn't shout	I couldn't be shouting you couldn't be shouting he couldn't be shouting we couldn't be shouting you couldn't be shouting they couldn't be shouting
Perfect	V-ing perfect
I couldn't have shouted you couldn't have shouted he couldn't have shouted we couldn't have shouted you couldn't have shouted they couldn't have shouted	I couldn't have been shouting you couldn't have been shouting he couldn't have been shouting we couldn't have been shouting you couldn't have been shouting they couldn't have been shouting

Interrogative form

Simple form	V-ing form
could I shout? could you shout? could he shout? could we shout? could you shout? could they shout?	could I be shouting? could you be shouting? could he be shouting? could we be shouting? could you be shouting? could they be shouting?
Perfect	V-ing perfect
could I have shouted? could you have shouted? could he have shouted? could we have shouted? could you have shouted? could they have shouted?	could I have been shouting? could you have been shouting? could he have been shouting? could we have been shouting? could you have been shouting? could they have been shouting?

Interro-negative form

Simple form	V-ing form
couldn't I shout? couldn't you shout? couldn't he shout? couldn't we shout? couldn't you shout? couldn't they shout?	couldn't I be shouting? couldn't you be shouting? couldn't he be shouting? couldn't we be shouting? couldn't you be shouting? couldn't they be shouting?
Perfect	V-ing perfect
couldn't I have shouted? couldn't you have shouted? couldn't he have shouted? couldn't we have shouted? couldn't you have shouted? couldn't they have shouted?	couldn't I have been shouting? couldn't you have been shouting? couldn't he have been shouting? couldn't we have been shouting? couldn't you have been shouting? couldn't they have been shouting?