may unpin
Regular verb: unpin - unpinned- unpinned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may unpin
you may unpin
he may unpin
we may unpin
you may unpin
they may unpin 	I may be unpinning
you may be unpinning
he may be unpinning
we may be unpinning
you may be unpinning
they may be unpinning	I may have unpinned
you may have unpinned
he may have unpinned
we may have unpinned
you may have unpinned
they may have unpinned	I may have been unpinning
you may have been unpinning
he may have been unpinning
we may have been unpinning
you may have been unpinning
they may have been unpinning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't unpin
you mayn't unpin
he mayn't unpin
we mayn't unpin
you mayn't unpin
they mayn't unpin 	I mayn't be unpinning
you mayn't be unpinning
he mayn't be unpinning
we mayn't be unpinning
you mayn't be unpinning
they mayn't be unpinning	I mayn't have unpinned
you mayn't have unpinned
he mayn't have unpinned
we mayn't have unpinned
you mayn't have unpinned
they mayn't have unpinned	I mayn't have been unpinning
you mayn't have been unpinning
he mayn't have been unpinning
we mayn't have been unpinning
you mayn't have been unpinning
they mayn't have been unpinning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I unpin?
may you unpin?
may he unpin?
may we unpin?
may you unpin?
may they unpin? 	may I be unpinning?
may you be unpinning?
may he be unpinning?
may we be unpinning?
may you be unpinning?
may they be unpinning? 	may I have unpinned?
may you have unpinned?
may he have unpinned?
may we have unpinned?
may you have unpinned?
may they have unpinned? 	may I have been unpinning?
may you have been unpinning?
may he have been unpinning?
may we have been unpinning?
may you have been unpinning?
may they have been unpinning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I unpin?
mayn't you unpin?
mayn't he unpin?
mayn't we unpin?
mayn't you unpin?
mayn't they unpin? 	mayn't I be unpinning?
mayn't you be unpinning?
mayn't he be unpinning?
mayn't we be unpinning?
mayn't you be unpinning?
mayn't they be unpinning? 	mayn't I have unpinned?
mayn't you have unpinned?
mayn't he have unpinned?
mayn't we have unpinned?
mayn't you have unpinned?
mayn't they have unpinned? 	mayn't I have been unpinning?
mayn't you have been unpinning?
mayn't he have been unpinning?
mayn't we have been unpinning?
mayn't you have been unpinning?
mayn't they have been unpinning?