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