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 may not attach you may not attach she may not attach we may not attach you may not attach they may not attach
V-ing form
I may not be attaching you may not be attaching she may not be attaching we may not be attaching you may not be attaching they may not be attaching
Perfect
I may not have attached you may not have attached she may not have attached we may not have attached you may not have attached they may not have attached
V-ing perfect
I may not have been attaching you may not have been attaching she may not have been attaching we may not have been attaching you may not have been attaching they may not 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
may I not attach? may you not attach? may she not attach? may we not attach? may you not attach? may they not attach?
V-ing form
may I not be attaching? may you not be attaching? may she not be attaching? may we not be attaching? may you not be attaching? may they not be attaching?
Perfect
may I not have attached? may you not have attached? may she not have attached? may we not have attached? may you not have attached? may they not have attached?
V-ing perfect
may I not have been attaching? may you not have been attaching? may she not have been attaching? may we not have been attaching? may you not have been attaching? may they not have been attaching?