may ripen
Regular verb: ripen - ripened- ripened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may ripen
you may ripen
she may ripen
we may ripen
you may ripen
they may ripen 	I may be ripening
you may be ripening
she may be ripening
we may be ripening
you may be ripening
they may be ripening	I may have ripened
you may have ripened
she may have ripened
we may have ripened
you may have ripened
they may have ripened	I may have been ripening
you may have been ripening
she may have been ripening
we may have been ripening
you may have been ripening
they may have been ripening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't ripen
you mayn't ripen
she mayn't ripen
we mayn't ripen
you mayn't ripen
they mayn't ripen 	I mayn't be ripening
you mayn't be ripening
she mayn't be ripening
we mayn't be ripening
you mayn't be ripening
they mayn't be ripening	I mayn't have ripened
you mayn't have ripened
she mayn't have ripened
we mayn't have ripened
you mayn't have ripened
they mayn't have ripened	I mayn't have been ripening
you mayn't have been ripening
she mayn't have been ripening
we mayn't have been ripening
you mayn't have been ripening
they mayn't have been ripening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I ripen?
may you ripen?
may she ripen?
may we ripen?
may you ripen?
may they ripen? 	may I be ripening?
may you be ripening?
may she be ripening?
may we be ripening?
may you be ripening?
may they be ripening? 	may I have ripened?
may you have ripened?
may she have ripened?
may we have ripened?
may you have ripened?
may they have ripened? 	may I have been ripening?
may you have been ripening?
may she have been ripening?
may we have been ripening?
may you have been ripening?
may they have been ripening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I ripen?
mayn't you ripen?
mayn't she ripen?
mayn't we ripen?
mayn't you ripen?
mayn't they ripen? 	mayn't I be ripening?
mayn't you be ripening?
mayn't she be ripening?
mayn't we be ripening?
mayn't you be ripening?
mayn't they be ripening? 	mayn't I have ripened?
mayn't you have ripened?
mayn't she have ripened?
mayn't we have ripened?
mayn't you have ripened?
mayn't they have ripened? 	mayn't I have been ripening?
mayn't you have been ripening?
mayn't she have been ripening?
mayn't we have been ripening?
mayn't you have been ripening?
mayn't they have been ripening?