I may spoil you may spoil she may spoil we may spoil you may spoil they may spoil
V-ing form
I may be spoiling you may be spoiling she may be spoiling we may be spoiling you may be spoiling they may be spoiling
Perfect
I may have spoiled, spoilt you may have spoiled, spoilt she may have spoiled, spoilt we may have spoiled, spoilt you may have spoiled, spoilt they may have spoiled, spoilt
V-ing perfect
I may have been spoiling you may have been spoiling she may have been spoiling we may have been spoiling you may have been spoiling they may have been spoiling
Negation
Simple form
I mayn't spoil you mayn't spoil she mayn't spoil we mayn't spoil you mayn't spoil they mayn't spoil
V-ing form
I mayn't be spoiling you mayn't be spoiling she mayn't be spoiling we mayn't be spoiling you mayn't be spoiling they mayn't be spoiling
Perfect
I mayn't have spoiled, spoilt you mayn't have spoiled, spoilt she mayn't have spoiled, spoilt we mayn't have spoiled, spoilt you mayn't have spoiled, spoilt they mayn't have spoiled, spoilt
V-ing perfect
I mayn't have been spoiling you mayn't have been spoiling she mayn't have been spoiling we mayn't have been spoiling you mayn't have been spoiling they mayn't have been spoiling
Interrogative form
Simple form
may I spoil? may you spoil? may she spoil? may we spoil? may you spoil? may they spoil?
V-ing form
may I be spoiling? may you be spoiling? may she be spoiling? may we be spoiling? may you be spoiling? may they be spoiling?
Perfect
may I have spoiled, spoilt? may you have spoiled, spoilt? may she have spoiled, spoilt? may we have spoiled, spoilt? may you have spoiled, spoilt? may they have spoiled, spoilt?
V-ing perfect
may I have been spoiling? may you have been spoiling? may she have been spoiling? may we have been spoiling? may you have been spoiling? may they have been spoiling?
Interro-negative form
Simple form
mayn't I spoil? mayn't you spoil? mayn't she spoil? mayn't we spoil? mayn't you spoil? mayn't they spoil?
V-ing form
mayn't I be spoiling? mayn't you be spoiling? mayn't she be spoiling? mayn't we be spoiling? mayn't you be spoiling? mayn't they be spoiling?
Perfect
mayn't I have spoiled, spoilt? mayn't you have spoiled, spoilt? mayn't she have spoiled, spoilt? mayn't we have spoiled, spoilt? mayn't you have spoiled, spoilt? mayn't they have spoiled, spoilt?
V-ing perfect
mayn't I have been spoiling? mayn't you have been spoiling? mayn't she have been spoiling? mayn't we have been spoiling? mayn't you have been spoiling? mayn't they have been spoiling?