may attach
Regular verb: attach - attached- attached

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