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