I may throw you may throw he may throw we may throw you may throw they may throw
V-ing form
I may be throwing you may be throwing he may be throwing we may be throwing you may be throwing they may be throwing
Perfect
I may have thrown you may have thrown he may have thrown we may have thrown you may have thrown they may have thrown
V-ing perfect
I may have been throwing you may have been throwing he may have been throwing we may have been throwing you may have been throwing they may have been throwing
Negation
Simple form
I mayn't throw you mayn't throw he mayn't throw we mayn't throw you mayn't throw they mayn't throw
V-ing form
I mayn't be throwing you mayn't be throwing he mayn't be throwing we mayn't be throwing you mayn't be throwing they mayn't be throwing
Perfect
I mayn't have thrown you mayn't have thrown he mayn't have thrown we mayn't have thrown you mayn't have thrown they mayn't have thrown
V-ing perfect
I mayn't have been throwing you mayn't have been throwing he mayn't have been throwing we mayn't have been throwing you mayn't have been throwing they mayn't have been throwing
Interrogative form
Simple form
may I throw? may you throw? may he throw? may we throw? may you throw? may they throw?
V-ing form
may I be throwing? may you be throwing? may he be throwing? may we be throwing? may you be throwing? may they be throwing?
Perfect
may I have thrown? may you have thrown? may he have thrown? may we have thrown? may you have thrown? may they have thrown?
V-ing perfect
may I have been throwing? may you have been throwing? may he have been throwing? may we have been throwing? may you have been throwing? may they have been throwing?
Interro-negative form
Simple form
mayn't I throw? mayn't you throw? mayn't he throw? mayn't we throw? mayn't you throw? mayn't they throw?
V-ing form
mayn't I be throwing? mayn't you be throwing? mayn't he be throwing? mayn't we be throwing? mayn't you be throwing? mayn't they be throwing?
Perfect
mayn't I have thrown? mayn't you have thrown? mayn't he have thrown? mayn't we have thrown? mayn't you have thrown? mayn't they have thrown?
V-ing perfect
mayn't I have been throwing? mayn't you have been throwing? mayn't he have been throwing? mayn't we have been throwing? mayn't you have been throwing? mayn't they have been throwing?