may compound
Regular verb: compound - compounded- compounded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may compound
you may compound
he may compound
we may compound
you may compound
they may compound 	I may be compounding
you may be compounding
he may be compounding
we may be compounding
you may be compounding
they may be compounding	I may have compounded
you may have compounded
he may have compounded
we may have compounded
you may have compounded
they may have compounded	I may have been compounding
you may have been compounding
he may have been compounding
we may have been compounding
you may have been compounding
they may have been compounding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't compound
you mayn't compound
he mayn't compound
we mayn't compound
you mayn't compound
they mayn't compound 	I mayn't be compounding
you mayn't be compounding
he mayn't be compounding
we mayn't be compounding
you mayn't be compounding
they mayn't be compounding	I mayn't have compounded
you mayn't have compounded
he mayn't have compounded
we mayn't have compounded
you mayn't have compounded
they mayn't have compounded	I mayn't have been compounding
you mayn't have been compounding
he mayn't have been compounding
we mayn't have been compounding
you mayn't have been compounding
they mayn't have been compounding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I compound?
may you compound?
may he compound?
may we compound?
may you compound?
may they compound? 	may I be compounding?
may you be compounding?
may he be compounding?
may we be compounding?
may you be compounding?
may they be compounding? 	may I have compounded?
may you have compounded?
may he have compounded?
may we have compounded?
may you have compounded?
may they have compounded? 	may I have been compounding?
may you have been compounding?
may he have been compounding?
may we have been compounding?
may you have been compounding?
may they have been compounding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I compound?
mayn't you compound?
mayn't he compound?
mayn't we compound?
mayn't you compound?
mayn't they compound? 	mayn't I be compounding?
mayn't you be compounding?
mayn't he be compounding?
mayn't we be compounding?
mayn't you be compounding?
mayn't they be compounding? 	mayn't I have compounded?
mayn't you have compounded?
mayn't he have compounded?
mayn't we have compounded?
mayn't you have compounded?
mayn't they have compounded? 	mayn't I have been compounding?
mayn't you have been compounding?
mayn't he have been compounding?
mayn't we have been compounding?
mayn't you have been compounding?
mayn't they have been compounding?