I can shout you can shout he can shout we can shout you can shout they can shout
V-ing form
I can be shouting you can be shouting he can be shouting we can be shouting you can be shouting they can be shouting
Perfect
I can have shouted you can have shouted he can have shouted we can have shouted you can have shouted they can have shouted
V-ing perfect
I can have been shouting you can have been shouting he can have been shouting we can have been shouting you can have been shouting they can have been shouting
Negation
Simple form
I cannot shout you cannot shout he cannot shout we cannot shout you cannot shout they cannot shout
V-ing form
I cannot be shouting you cannot be shouting he cannot be shouting we cannot be shouting you cannot be shouting they cannot be shouting
Perfect
I cannot have shouted you cannot have shouted he cannot have shouted we cannot have shouted you cannot have shouted they cannot have shouted
V-ing perfect
I cannot have been shouting you cannot have been shouting he cannot have been shouting we cannot have been shouting you cannot have been shouting they cannot have been shouting
Interrogative form
Simple form
can I shout? can you shout? can he shout? can we shout? can you shout? can they shout?
V-ing form
can I be shouting? can you be shouting? can he be shouting? can we be shouting? can you be shouting? can they be shouting?
Perfect
can I have shouted? can you have shouted? can he have shouted? can we have shouted? can you have shouted? can they have shouted?
V-ing perfect
can I have been shouting? can you have been shouting? can he have been shouting? can we have been shouting? can you have been shouting? can they have been shouting?
Interro-negative form
Simple form
can I not shout? can you not shout? can he not shout? can we not shout? can you not shout? can they not shout?
V-ing form
can I not be shouting? can you not be shouting? can he not be shouting? can we not be shouting? can you not be shouting? can they not be shouting?
Perfect
can I not have shouted? can you not have shouted? can he not have shouted? can we not have shouted? can you not have shouted? can they not have shouted?
V-ing perfect
can I not have been shouting? can you not have been shouting? can he not have been shouting? can we not have been shouting? can you not have been shouting? can they not have been shouting?