may lip-synch
Regular verb: lip-synch - lip-synched- lip-synched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may lip-synch
you may lip-synch
he may lip-synch
we may lip-synch
you may lip-synch
they may lip-synch 	I may be lip-synching
you may be lip-synching
he may be lip-synching
we may be lip-synching
you may be lip-synching
they may be lip-synching	I may have lip-synched
you may have lip-synched
he may have lip-synched
we may have lip-synched
you may have lip-synched
they may have lip-synched	I may have been lip-synching
you may have been lip-synching
he may have been lip-synching
we may have been lip-synching
you may have been lip-synching
they may have been lip-synching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't lip-synch
you mayn't lip-synch
he mayn't lip-synch
we mayn't lip-synch
you mayn't lip-synch
they mayn't lip-synch 	I mayn't be lip-synching
you mayn't be lip-synching
he mayn't be lip-synching
we mayn't be lip-synching
you mayn't be lip-synching
they mayn't be lip-synching	I mayn't have lip-synched
you mayn't have lip-synched
he mayn't have lip-synched
we mayn't have lip-synched
you mayn't have lip-synched
they mayn't have lip-synched	I mayn't have been lip-synching
you mayn't have been lip-synching
he mayn't have been lip-synching
we mayn't have been lip-synching
you mayn't have been lip-synching
they mayn't have been lip-synching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I lip-synch?
may you lip-synch?
may he lip-synch?
may we lip-synch?
may you lip-synch?
may they lip-synch? 	may I be lip-synching?
may you be lip-synching?
may he be lip-synching?
may we be lip-synching?
may you be lip-synching?
may they be lip-synching? 	may I have lip-synched?
may you have lip-synched?
may he have lip-synched?
may we have lip-synched?
may you have lip-synched?
may they have lip-synched? 	may I have been lip-synching?
may you have been lip-synching?
may he have been lip-synching?
may we have been lip-synching?
may you have been lip-synching?
may they have been lip-synching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I lip-synch?
mayn't you lip-synch?
mayn't he lip-synch?
mayn't we lip-synch?
mayn't you lip-synch?
mayn't they lip-synch? 	mayn't I be lip-synching?
mayn't you be lip-synching?
mayn't he be lip-synching?
mayn't we be lip-synching?
mayn't you be lip-synching?
mayn't they be lip-synching? 	mayn't I have lip-synched?
mayn't you have lip-synched?
mayn't he have lip-synched?
mayn't we have lip-synched?
mayn't you have lip-synched?
mayn't they have lip-synched? 	mayn't I have been lip-synching?
mayn't you have been lip-synching?
mayn't he have been lip-synching?
mayn't we have been lip-synching?
mayn't you have been lip-synching?
mayn't they have been lip-synching?