I may distinguish you may distinguish he may distinguish we may distinguish you may distinguish they may distinguish
V-ing form
I may be distinguishing you may be distinguishing he may be distinguishing we may be distinguishing you may be distinguishing they may be distinguishing
Perfect
I may have distinguished you may have distinguished he may have distinguished we may have distinguished you may have distinguished they may have distinguished
V-ing perfect
I may have been distinguishing you may have been distinguishing he may have been distinguishing we may have been distinguishing you may have been distinguishing they may have been distinguishing
Negation
Simple form
I may not distinguish you may not distinguish he may not distinguish we may not distinguish you may not distinguish they may not distinguish
V-ing form
I may not be distinguishing you may not be distinguishing he may not be distinguishing we may not be distinguishing you may not be distinguishing they may not be distinguishing
Perfect
I may not have distinguished you may not have distinguished he may not have distinguished we may not have distinguished you may not have distinguished they may not have distinguished
V-ing perfect
I may not have been distinguishing you may not have been distinguishing he may not have been distinguishing we may not have been distinguishing you may not have been distinguishing they may not have been distinguishing
Interrogative form
Simple form
may I distinguish? may you distinguish? may he distinguish? may we distinguish? may you distinguish? may they distinguish?
V-ing form
may I be distinguishing? may you be distinguishing? may he be distinguishing? may we be distinguishing? may you be distinguishing? may they be distinguishing?
Perfect
may I have distinguished? may you have distinguished? may he have distinguished? may we have distinguished? may you have distinguished? may they have distinguished?
V-ing perfect
may I have been distinguishing? may you have been distinguishing? may he have been distinguishing? may we have been distinguishing? may you have been distinguishing? may they have been distinguishing?
Interro-negative form
Simple form
may I not distinguish? may you not distinguish? may he not distinguish? may we not distinguish? may you not distinguish? may they not distinguish?
V-ing form
may I not be distinguishing? may you not be distinguishing? may he not be distinguishing? may we not be distinguishing? may you not be distinguishing? may they not be distinguishing?
Perfect
may I not have distinguished? may you not have distinguished? may he not have distinguished? may we not have distinguished? may you not have distinguished? may they not have distinguished?
V-ing perfect
may I not have been distinguishing? may you not have been distinguishing? may he not have been distinguishing? may we not have been distinguishing? may you not have been distinguishing? may they not have been distinguishing?