may birch
Regular verb: birch - birched- birched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may birch
you may birch
he may birch
we may birch
you may birch
they may birch 	I may be birching
you may be birching
he may be birching
we may be birching
you may be birching
they may be birching	I may have birched
you may have birched
he may have birched
we may have birched
you may have birched
they may have birched	I may have been birching
you may have been birching
he may have been birching
we may have been birching
you may have been birching
they may have been birching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't birch
you mayn't birch
he mayn't birch
we mayn't birch
you mayn't birch
they mayn't birch 	I mayn't be birching
you mayn't be birching
he mayn't be birching
we mayn't be birching
you mayn't be birching
they mayn't be birching	I mayn't have birched
you mayn't have birched
he mayn't have birched
we mayn't have birched
you mayn't have birched
they mayn't have birched	I mayn't have been birching
you mayn't have been birching
he mayn't have been birching
we mayn't have been birching
you mayn't have been birching
they mayn't have been birching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I birch?
may you birch?
may he birch?
may we birch?
may you birch?
may they birch? 	may I be birching?
may you be birching?
may he be birching?
may we be birching?
may you be birching?
may they be birching? 	may I have birched?
may you have birched?
may he have birched?
may we have birched?
may you have birched?
may they have birched? 	may I have been birching?
may you have been birching?
may he have been birching?
may we have been birching?
may you have been birching?
may they have been birching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I birch?
mayn't you birch?
mayn't he birch?
mayn't we birch?
mayn't you birch?
mayn't they birch? 	mayn't I be birching?
mayn't you be birching?
mayn't he be birching?
mayn't we be birching?
mayn't you be birching?
mayn't they be birching? 	mayn't I have birched?
mayn't you have birched?
mayn't he have birched?
mayn't we have birched?
mayn't you have birched?
mayn't they have birched? 	mayn't I have been birching?
mayn't you have been birching?
mayn't he have been birching?
mayn't we have been birching?
mayn't you have been birching?
mayn't they have been birching?