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 may not ripen
you may not ripen
she may not ripen
we may not ripen
you may not ripen
they may not ripen 	I may not be ripening
you may not be ripening
she may not be ripening
we may not be ripening
you may not be ripening
they may not be ripening	I may not have ripened
you may not have ripened
she may not have ripened
we may not have ripened
you may not have ripened
they may not have ripened	I may not have been ripening
you may not have been ripening
she may not have been ripening
we may not have been ripening
you may not have been ripening
they may not 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 	
may I not ripen?
may you not ripen?
may she not ripen?
may we not ripen?
may you not ripen?
may they not ripen? 	may I not be ripening?
may you not be ripening?
may she not be ripening?
may we not be ripening?
may you not be ripening?
may they not be ripening? 	may I not have ripened?
may you not have ripened?
may she not have ripened?
may we not have ripened?
may you not have ripened?
may they not have ripened? 	may I not have been ripening?
may you not have been ripening?
may she not have been ripening?
may we not have been ripening?
may you not have been ripening?
may they not have been ripening?