I may bestir you may bestir she may bestir we may bestir you may bestir they may bestir
V-ing form
I may be bestirring you may be bestirring she may be bestirring we may be bestirring you may be bestirring they may be bestirring
Perfect
I may have bestirred you may have bestirred she may have bestirred we may have bestirred you may have bestirred they may have bestirred
V-ing perfect
I may have been bestirring you may have been bestirring she may have been bestirring we may have been bestirring you may have been bestirring they may have been bestirring
Negation
Simple form
I mayn't bestir you mayn't bestir she mayn't bestir we mayn't bestir you mayn't bestir they mayn't bestir
V-ing form
I mayn't be bestirring you mayn't be bestirring she mayn't be bestirring we mayn't be bestirring you mayn't be bestirring they mayn't be bestirring
Perfect
I mayn't have bestirred you mayn't have bestirred she mayn't have bestirred we mayn't have bestirred you mayn't have bestirred they mayn't have bestirred
V-ing perfect
I mayn't have been bestirring you mayn't have been bestirring she mayn't have been bestirring we mayn't have been bestirring you mayn't have been bestirring they mayn't have been bestirring
Interrogative form
Simple form
may I bestir? may you bestir? may she bestir? may we bestir? may you bestir? may they bestir?
V-ing form
may I be bestirring? may you be bestirring? may she be bestirring? may we be bestirring? may you be bestirring? may they be bestirring?
Perfect
may I have bestirred? may you have bestirred? may she have bestirred? may we have bestirred? may you have bestirred? may they have bestirred?
V-ing perfect
may I have been bestirring? may you have been bestirring? may she have been bestirring? may we have been bestirring? may you have been bestirring? may they have been bestirring?
Interro-negative form
Simple form
mayn't I bestir? mayn't you bestir? mayn't she bestir? mayn't we bestir? mayn't you bestir? mayn't they bestir?
V-ing form
mayn't I be bestirring? mayn't you be bestirring? mayn't she be bestirring? mayn't we be bestirring? mayn't you be bestirring? mayn't they be bestirring?
Perfect
mayn't I have bestirred? mayn't you have bestirred? mayn't she have bestirred? mayn't we have bestirred? mayn't you have bestirred? mayn't they have bestirred?
V-ing perfect
mayn't I have been bestirring? mayn't you have been bestirring? mayn't she have been bestirring? mayn't we have been bestirring? mayn't you have been bestirring? mayn't they have been bestirring?