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