I may evolve you may evolve he may evolve we may evolve you may evolve they may evolve
V-ing form
I may be evolving you may be evolving he may be evolving we may be evolving you may be evolving they may be evolving
Perfect
I may have evolved you may have evolved he may have evolved we may have evolved you may have evolved they may have evolved
V-ing perfect
I may have been evolving you may have been evolving he may have been evolving we may have been evolving you may have been evolving they may have been evolving
Negation
Simple form
I mayn't evolve you mayn't evolve he mayn't evolve we mayn't evolve you mayn't evolve they mayn't evolve
V-ing form
I mayn't be evolving you mayn't be evolving he mayn't be evolving we mayn't be evolving you mayn't be evolving they mayn't be evolving
Perfect
I mayn't have evolved you mayn't have evolved he mayn't have evolved we mayn't have evolved you mayn't have evolved they mayn't have evolved
V-ing perfect
I mayn't have been evolving you mayn't have been evolving he mayn't have been evolving we mayn't have been evolving you mayn't have been evolving they mayn't have been evolving
Interrogative form
Simple form
may I evolve? may you evolve? may he evolve? may we evolve? may you evolve? may they evolve?
V-ing form
may I be evolving? may you be evolving? may he be evolving? may we be evolving? may you be evolving? may they be evolving?
Perfect
may I have evolved? may you have evolved? may he have evolved? may we have evolved? may you have evolved? may they have evolved?
V-ing perfect
may I have been evolving? may you have been evolving? may he have been evolving? may we have been evolving? may you have been evolving? may they have been evolving?
Interro-negative form
Simple form
mayn't I evolve? mayn't you evolve? mayn't he evolve? mayn't we evolve? mayn't you evolve? mayn't they evolve?
V-ing form
mayn't I be evolving? mayn't you be evolving? mayn't he be evolving? mayn't we be evolving? mayn't you be evolving? mayn't they be evolving?
Perfect
mayn't I have evolved? mayn't you have evolved? mayn't he have evolved? mayn't we have evolved? mayn't you have evolved? mayn't they have evolved?
V-ing perfect
mayn't I have been evolving? mayn't you have been evolving? mayn't he have been evolving? mayn't we have been evolving? mayn't you have been evolving? mayn't they have been evolving?