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 could not shout you could not shout he could not shout we could not shout you could not shout they could not shout	I could not be shouting you could not be shouting he could not be shouting we could not be shouting you could not be shouting they could not be shouting
Perfect	V-ing perfect
I could not have shouted you could not have shouted he could not have shouted we could not have shouted you could not have shouted they could not have shouted	I could not have been shouting you could not have been shouting he could not have been shouting we could not have been shouting you could not have been shouting they could not 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
could I not shout? could you not shout? could he not shout? could we not shout? could you not shout? could they not shout?	could I not be shouting? could you not be shouting? could he not be shouting? could we not be shouting? could you not be shouting? could they not be shouting?
Perfect	V-ing perfect
could I not have shouted? could you not have shouted? could he not have shouted? could we not have shouted? could you not have shouted? could they not have shouted?	could I not have been shouting? could you not have been shouting? could he not have been shouting? could we not have been shouting? could you not have been shouting? could they not have been shouting?