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