I may comment you may comment he may comment we may comment you may comment they may comment
V-ing form
I may be commenting you may be commenting he may be commenting we may be commenting you may be commenting they may be commenting
Perfect
I may have commented you may have commented he may have commented we may have commented you may have commented they may have commented
V-ing perfect
I may have been commenting you may have been commenting he may have been commenting we may have been commenting you may have been commenting they may have been commenting
Negation
Simple form
I may not comment you may not comment he may not comment we may not comment you may not comment they may not comment
V-ing form
I may not be commenting you may not be commenting he may not be commenting we may not be commenting you may not be commenting they may not be commenting
Perfect
I may not have commented you may not have commented he may not have commented we may not have commented you may not have commented they may not have commented
V-ing perfect
I may not have been commenting you may not have been commenting he may not have been commenting we may not have been commenting you may not have been commenting they may not have been commenting
Interrogative form
Simple form
may I comment? may you comment? may he comment? may we comment? may you comment? may they comment?
V-ing form
may I be commenting? may you be commenting? may he be commenting? may we be commenting? may you be commenting? may they be commenting?
Perfect
may I have commented? may you have commented? may he have commented? may we have commented? may you have commented? may they have commented?
V-ing perfect
may I have been commenting? may you have been commenting? may he have been commenting? may we have been commenting? may you have been commenting? may they have been commenting?
Interro-negative form
Simple form
may I not comment? may you not comment? may he not comment? may we not comment? may you not comment? may they not comment?
V-ing form
may I not be commenting? may you not be commenting? may he not be commenting? may we not be commenting? may you not be commenting? may they not be commenting?
Perfect
may I not have commented? may you not have commented? may he not have commented? may we not have commented? may you not have commented? may they not have commented?
V-ing perfect
may I not have been commenting? may you not have been commenting? may he not have been commenting? may we not have been commenting? may you not have been commenting? may they not have been commenting?