I can insult you can insult she can insult we can insult you can insult they can insult
V-ing form
I can be insulting you can be insulting she can be insulting we can be insulting you can be insulting they can be insulting
Perfect
I can have insulted you can have insulted she can have insulted we can have insulted you can have insulted they can have insulted
V-ing perfect
I can have been insulting you can have been insulting she can have been insulting we can have been insulting you can have been insulting they can have been insulting
Negation
Simple form
I cannot insult you cannot insult she cannot insult we cannot insult you cannot insult they cannot insult
V-ing form
I cannot be insulting you cannot be insulting she cannot be insulting we cannot be insulting you cannot be insulting they cannot be insulting
Perfect
I cannot have insulted you cannot have insulted she cannot have insulted we cannot have insulted you cannot have insulted they cannot have insulted
V-ing perfect
I cannot have been insulting you cannot have been insulting she cannot have been insulting we cannot have been insulting you cannot have been insulting they cannot have been insulting
Interrogative form
Simple form
can I insult? can you insult? can she insult? can we insult? can you insult? can they insult?
V-ing form
can I be insulting? can you be insulting? can she be insulting? can we be insulting? can you be insulting? can they be insulting?
Perfect
can I have insulted? can you have insulted? can she have insulted? can we have insulted? can you have insulted? can they have insulted?
V-ing perfect
can I have been insulting? can you have been insulting? can she have been insulting? can we have been insulting? can you have been insulting? can they have been insulting?
Interro-negative form
Simple form
can I not insult? can you not insult? can she not insult? can we not insult? can you not insult? can they not insult?
V-ing form
can I not be insulting? can you not be insulting? can she not be insulting? can we not be insulting? can you not be insulting? can they not be insulting?
Perfect
can I not have insulted? can you not have insulted? can she not have insulted? can we not have insulted? can you not have insulted? can they not have insulted?
V-ing perfect
can I not have been insulting? can you not have been insulting? can she not have been insulting? can we not have been insulting? can you not have been insulting? can they not have been insulting?