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