may yellow
Regular verb: yellow - yellowed- yellowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may yellow
you may yellow
she may yellow
we may yellow
you may yellow
they may yellow 	I may be yellowing
you may be yellowing
she may be yellowing
we may be yellowing
you may be yellowing
they may be yellowing	I may have yellowed
you may have yellowed
she may have yellowed
we may have yellowed
you may have yellowed
they may have yellowed	I may have been yellowing
you may have been yellowing
she may have been yellowing
we may have been yellowing
you may have been yellowing
they may have been yellowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't yellow
you mayn't yellow
she mayn't yellow
we mayn't yellow
you mayn't yellow
they mayn't yellow 	I mayn't be yellowing
you mayn't be yellowing
she mayn't be yellowing
we mayn't be yellowing
you mayn't be yellowing
they mayn't be yellowing	I mayn't have yellowed
you mayn't have yellowed
she mayn't have yellowed
we mayn't have yellowed
you mayn't have yellowed
they mayn't have yellowed	I mayn't have been yellowing
you mayn't have been yellowing
she mayn't have been yellowing
we mayn't have been yellowing
you mayn't have been yellowing
they mayn't have been yellowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I yellow?
may you yellow?
may she yellow?
may we yellow?
may you yellow?
may they yellow? 	may I be yellowing?
may you be yellowing?
may she be yellowing?
may we be yellowing?
may you be yellowing?
may they be yellowing? 	may I have yellowed?
may you have yellowed?
may she have yellowed?
may we have yellowed?
may you have yellowed?
may they have yellowed? 	may I have been yellowing?
may you have been yellowing?
may she have been yellowing?
may we have been yellowing?
may you have been yellowing?
may they have been yellowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I yellow?
mayn't you yellow?
mayn't she yellow?
mayn't we yellow?
mayn't you yellow?
mayn't they yellow? 	mayn't I be yellowing?
mayn't you be yellowing?
mayn't she be yellowing?
mayn't we be yellowing?
mayn't you be yellowing?
mayn't they be yellowing? 	mayn't I have yellowed?
mayn't you have yellowed?
mayn't she have yellowed?
mayn't we have yellowed?
mayn't you have yellowed?
mayn't they have yellowed? 	mayn't I have been yellowing?
mayn't you have been yellowing?
mayn't she have been yellowing?
mayn't we have been yellowing?
mayn't you have been yellowing?
mayn't they have been yellowing?