I may dab you may dab he may dab we may dab you may dab they may dab
V-ing form
I may be dabbing you may be dabbing he may be dabbing we may be dabbing you may be dabbing they may be dabbing
Perfect
I may have dabbed you may have dabbed he may have dabbed we may have dabbed you may have dabbed they may have dabbed
V-ing perfect
I may have been dabbing you may have been dabbing he may have been dabbing we may have been dabbing you may have been dabbing they may have been dabbing
Negation
Simple form
I mayn't dab you mayn't dab he mayn't dab we mayn't dab you mayn't dab they mayn't dab
V-ing form
I mayn't be dabbing you mayn't be dabbing he mayn't be dabbing we mayn't be dabbing you mayn't be dabbing they mayn't be dabbing
Perfect
I mayn't have dabbed you mayn't have dabbed he mayn't have dabbed we mayn't have dabbed you mayn't have dabbed they mayn't have dabbed
V-ing perfect
I mayn't have been dabbing you mayn't have been dabbing he mayn't have been dabbing we mayn't have been dabbing you mayn't have been dabbing they mayn't have been dabbing
Interrogative form
Simple form
may I dab? may you dab? may he dab? may we dab? may you dab? may they dab?
V-ing form
may I be dabbing? may you be dabbing? may he be dabbing? may we be dabbing? may you be dabbing? may they be dabbing?
Perfect
may I have dabbed? may you have dabbed? may he have dabbed? may we have dabbed? may you have dabbed? may they have dabbed?
V-ing perfect
may I have been dabbing? may you have been dabbing? may he have been dabbing? may we have been dabbing? may you have been dabbing? may they have been dabbing?
Interro-negative form
Simple form
mayn't I dab? mayn't you dab? mayn't he dab? mayn't we dab? mayn't you dab? mayn't they dab?
V-ing form
mayn't I be dabbing? mayn't you be dabbing? mayn't he be dabbing? mayn't we be dabbing? mayn't you be dabbing? mayn't they be dabbing?
Perfect
mayn't I have dabbed? mayn't you have dabbed? mayn't he have dabbed? mayn't we have dabbed? mayn't you have dabbed? mayn't they have dabbed?
V-ing perfect
mayn't I have been dabbing? mayn't you have been dabbing? mayn't he have been dabbing? mayn't we have been dabbing? mayn't you have been dabbing? mayn't they have been dabbing?