may double-tongue
Regular verb: double-tongue - double-tongued- double-tongued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may double-tongue
you may double-tongue
he may double-tongue
we may double-tongue
you may double-tongue
they may double-tongue 	I may be double-tonguing
you may be double-tonguing
he may be double-tonguing
we may be double-tonguing
you may be double-tonguing
they may be double-tonguing	I may have double-tongued
you may have double-tongued
he may have double-tongued
we may have double-tongued
you may have double-tongued
they may have double-tongued	I may have been double-tonguing
you may have been double-tonguing
he may have been double-tonguing
we may have been double-tonguing
you may have been double-tonguing
they may have been double-tonguing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't double-tongue
you mayn't double-tongue
he mayn't double-tongue
we mayn't double-tongue
you mayn't double-tongue
they mayn't double-tongue 	I mayn't be double-tonguing
you mayn't be double-tonguing
he mayn't be double-tonguing
we mayn't be double-tonguing
you mayn't be double-tonguing
they mayn't be double-tonguing	I mayn't have double-tongued
you mayn't have double-tongued
he mayn't have double-tongued
we mayn't have double-tongued
you mayn't have double-tongued
they mayn't have double-tongued	I mayn't have been double-tonguing
you mayn't have been double-tonguing
he mayn't have been double-tonguing
we mayn't have been double-tonguing
you mayn't have been double-tonguing
they mayn't have been double-tonguing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I double-tongue?
may you double-tongue?
may he double-tongue?
may we double-tongue?
may you double-tongue?
may they double-tongue? 	may I be double-tonguing?
may you be double-tonguing?
may he be double-tonguing?
may we be double-tonguing?
may you be double-tonguing?
may they be double-tonguing? 	may I have double-tongued?
may you have double-tongued?
may he have double-tongued?
may we have double-tongued?
may you have double-tongued?
may they have double-tongued? 	may I have been double-tonguing?
may you have been double-tonguing?
may he have been double-tonguing?
may we have been double-tonguing?
may you have been double-tonguing?
may they have been double-tonguing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I double-tongue?
mayn't you double-tongue?
mayn't he double-tongue?
mayn't we double-tongue?
mayn't you double-tongue?
mayn't they double-tongue? 	mayn't I be double-tonguing?
mayn't you be double-tonguing?
mayn't he be double-tonguing?
mayn't we be double-tonguing?
mayn't you be double-tonguing?
mayn't they be double-tonguing? 	mayn't I have double-tongued?
mayn't you have double-tongued?
mayn't he have double-tongued?
mayn't we have double-tongued?
mayn't you have double-tongued?
mayn't they have double-tongued? 	mayn't I have been double-tonguing?
mayn't you have been double-tonguing?
mayn't he have been double-tonguing?
mayn't we have been double-tonguing?
mayn't you have been double-tonguing?
mayn't they have been double-tonguing?