I may round you may round she may round we may round you may round they may round
V-ing form
I may be rounding you may be rounding she may be rounding we may be rounding you may be rounding they may be rounding
Perfect
I may have rounded you may have rounded she 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 she may have been rounding we may have been rounding you may have been rounding they may have been rounding
Negation
Simple form
I may not round you may not round she may not round we may not round you may not round they may not round
V-ing form
I may not be rounding you may not be rounding she may not be rounding we may not be rounding you may not be rounding they may not be rounding
Perfect
I may not have rounded you may not have rounded she may not have rounded we may not have rounded you may not have rounded they may not have rounded
V-ing perfect
I may not have been rounding you may not have been rounding she may not have been rounding we may not have been rounding you may not have been rounding they may not have been rounding
Interrogative form
Simple form
may I round? may you round? may she round? may we round? may you round? may they round?
V-ing form
may I be rounding? may you be rounding? may she be rounding? may we be rounding? may you be rounding? may they be rounding?
Perfect
may I have rounded? may you have rounded? may she 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 she have been rounding? may we have been rounding? may you have been rounding? may they have been rounding?
Interro-negative form
Simple form
may I not round? may you not round? may she not round? may we not round? may you not round? may they not round?
V-ing form
may I not be rounding? may you not be rounding? may she not be rounding? may we not be rounding? may you not be rounding? may they not be rounding?
Perfect
may I not have rounded? may you not have rounded? may she not have rounded? may we not have rounded? may you not have rounded? may they not have rounded?
V-ing perfect
may I not have been rounding? may you not have been rounding? may she not have been rounding? may we not have been rounding? may you not have been rounding? may they not have been rounding?