may unchair
Regular verb: unchair - unchaired- unchaired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may unchair
you may unchair
he may unchair
we may unchair
you may unchair
they may unchair 	I may be unchairing
you may be unchairing
he may be unchairing
we may be unchairing
you may be unchairing
they may be unchairing	I may have unchaired
you may have unchaired
he may have unchaired
we may have unchaired
you may have unchaired
they may have unchaired	I may have been unchairing
you may have been unchairing
he may have been unchairing
we may have been unchairing
you may have been unchairing
they may have been unchairing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't unchair
you mayn't unchair
he mayn't unchair
we mayn't unchair
you mayn't unchair
they mayn't unchair 	I mayn't be unchairing
you mayn't be unchairing
he mayn't be unchairing
we mayn't be unchairing
you mayn't be unchairing
they mayn't be unchairing	I mayn't have unchaired
you mayn't have unchaired
he mayn't have unchaired
we mayn't have unchaired
you mayn't have unchaired
they mayn't have unchaired	I mayn't have been unchairing
you mayn't have been unchairing
he mayn't have been unchairing
we mayn't have been unchairing
you mayn't have been unchairing
they mayn't have been unchairing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I unchair?
may you unchair?
may he unchair?
may we unchair?
may you unchair?
may they unchair? 	may I be unchairing?
may you be unchairing?
may he be unchairing?
may we be unchairing?
may you be unchairing?
may they be unchairing? 	may I have unchaired?
may you have unchaired?
may he have unchaired?
may we have unchaired?
may you have unchaired?
may they have unchaired? 	may I have been unchairing?
may you have been unchairing?
may he have been unchairing?
may we have been unchairing?
may you have been unchairing?
may they have been unchairing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I unchair?
mayn't you unchair?
mayn't he unchair?
mayn't we unchair?
mayn't you unchair?
mayn't they unchair? 	mayn't I be unchairing?
mayn't you be unchairing?
mayn't he be unchairing?
mayn't we be unchairing?
mayn't you be unchairing?
mayn't they be unchairing? 	mayn't I have unchaired?
mayn't you have unchaired?
mayn't he have unchaired?
mayn't we have unchaired?
mayn't you have unchaired?
mayn't they have unchaired? 	mayn't I have been unchairing?
mayn't you have been unchairing?
mayn't he have been unchairing?
mayn't we have been unchairing?
mayn't you have been unchairing?
mayn't they have been unchairing?