I may degrease you may degrease she may degrease we may degrease you may degrease they may degrease
V-ing form
I may be degreasing you may be degreasing she may be degreasing we may be degreasing you may be degreasing they may be degreasing
Perfect
I may have degreased you may have degreased she may have degreased we may have degreased you may have degreased they may have degreased
V-ing perfect
I may have been degreasing you may have been degreasing she may have been degreasing we may have been degreasing you may have been degreasing they may have been degreasing
Negation
Simple form
I mayn't degrease you mayn't degrease she mayn't degrease we mayn't degrease you mayn't degrease they mayn't degrease
V-ing form
I mayn't be degreasing you mayn't be degreasing she mayn't be degreasing we mayn't be degreasing you mayn't be degreasing they mayn't be degreasing
Perfect
I mayn't have degreased you mayn't have degreased she mayn't have degreased we mayn't have degreased you mayn't have degreased they mayn't have degreased
V-ing perfect
I mayn't have been degreasing you mayn't have been degreasing she mayn't have been degreasing we mayn't have been degreasing you mayn't have been degreasing they mayn't have been degreasing
Interrogative form
Simple form
may I degrease? may you degrease? may she degrease? may we degrease? may you degrease? may they degrease?
V-ing form
may I be degreasing? may you be degreasing? may she be degreasing? may we be degreasing? may you be degreasing? may they be degreasing?
Perfect
may I have degreased? may you have degreased? may she have degreased? may we have degreased? may you have degreased? may they have degreased?
V-ing perfect
may I have been degreasing? may you have been degreasing? may she have been degreasing? may we have been degreasing? may you have been degreasing? may they have been degreasing?
Interro-negative form
Simple form
mayn't I degrease? mayn't you degrease? mayn't she degrease? mayn't we degrease? mayn't you degrease? mayn't they degrease?
V-ing form
mayn't I be degreasing? mayn't you be degreasing? mayn't she be degreasing? mayn't we be degreasing? mayn't you be degreasing? mayn't they be degreasing?
Perfect
mayn't I have degreased? mayn't you have degreased? mayn't she have degreased? mayn't we have degreased? mayn't you have degreased? mayn't they have degreased?
V-ing perfect
mayn't I have been degreasing? mayn't you have been degreasing? mayn't she have been degreasing? mayn't we have been degreasing? mayn't you have been degreasing? mayn't they have been degreasing?