I may try you may try she may try we may try you may try they may try
V-ing form
I may be trying you may be trying she may be trying we may be trying you may be trying they may be trying
Perfect
I may have tried you may have tried she may have tried we may have tried you may have tried they may have tried
V-ing perfect
I may have been trying you may have been trying she may have been trying we may have been trying you may have been trying they may have been trying
Negation
Simple form
I may not try you may not try she may not try we may not try you may not try they may not try
V-ing form
I may not be trying you may not be trying she may not be trying we may not be trying you may not be trying they may not be trying
Perfect
I may not have tried you may not have tried she may not have tried we may not have tried you may not have tried they may not have tried
V-ing perfect
I may not have been trying you may not have been trying she may not have been trying we may not have been trying you may not have been trying they may not have been trying
Interrogative form
Simple form
may I try? may you try? may she try? may we try? may you try? may they try?
V-ing form
may I be trying? may you be trying? may she be trying? may we be trying? may you be trying? may they be trying?
Perfect
may I have tried? may you have tried? may she have tried? may we have tried? may you have tried? may they have tried?
V-ing perfect
may I have been trying? may you have been trying? may she have been trying? may we have been trying? may you have been trying? may they have been trying?
Interro-negative form
Simple form
may I not try? may you not try? may she not try? may we not try? may you not try? may they not try?
V-ing form
may I not be trying? may you not be trying? may she not be trying? may we not be trying? may you not be trying? may they not be trying?
Perfect
may I not have tried? may you not have tried? may she not have tried? may we not have tried? may you not have tried? may they not have tried?
V-ing perfect
may I not have been trying? may you not have been trying? may she not have been trying? may we not have been trying? may you not have been trying? may they not have been trying?