Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may select select you may select select he may select select we may select select you may select select they may select select
V-ing form
I may be select selecting you may be select selecting he may be select selecting we may be select selecting you may be select selecting they may be select selecting
Perfect
I may have select selected you may have select selected he may have select selected we may have select selected you may have select selected they may have select selected
V-ing perfect
I may have been select selecting you may have been select selecting he may have been select selecting we may have been select selecting you may have been select selecting they may have been select selecting
Negation
Simple form
I mayn't select select you mayn't select select he mayn't select select we mayn't select select you mayn't select select they mayn't select select
V-ing form
I mayn't be select selecting you mayn't be select selecting he mayn't be select selecting we mayn't be select selecting you mayn't be select selecting they mayn't be select selecting
Perfect
I mayn't have select selected you mayn't have select selected he mayn't have select selected we mayn't have select selected you mayn't have select selected they mayn't have select selected
V-ing perfect
I mayn't have been select selecting you mayn't have been select selecting he mayn't have been select selecting we mayn't have been select selecting you mayn't have been select selecting they mayn't have been select selecting
Interrogative form
Simple form
may I select select? may you select select? may he select select? may we select select? may you select select? may they select select?
V-ing form
may I be select selecting? may you be select selecting? may he be select selecting? may we be select selecting? may you be select selecting? may they be select selecting?
Perfect
may I have select selected? may you have select selected? may he have select selected? may we have select selected? may you have select selected? may they have select selected?
V-ing perfect
may I have been select selecting? may you have been select selecting? may he have been select selecting? may we have been select selecting? may you have been select selecting? may they have been select selecting?
Interro-negative form
Simple form
mayn't I select select? mayn't you select select? mayn't he select select? mayn't we select select? mayn't you select select? mayn't they select select?
V-ing form
mayn't I be select selecting? mayn't you be select selecting? mayn't he be select selecting? mayn't we be select selecting? mayn't you be select selecting? mayn't they be select selecting?
Perfect
mayn't I have select selected? mayn't you have select selected? mayn't he have select selected? mayn't we have select selected? mayn't you have select selected? mayn't they have select selected?
V-ing perfect
mayn't I have been select selecting? mayn't you have been select selecting? mayn't he have been select selecting? mayn't we have been select selecting? mayn't you have been select selecting? mayn't they have been select selecting?