may swill
Regular verb: swill - swilled- swilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may swill
you may swill
he may swill
we may swill
you may swill
they may swill 	I may be swilling
you may be swilling
he may be swilling
we may be swilling
you may be swilling
they may be swilling	I may have swilled
you may have swilled
he may have swilled
we may have swilled
you may have swilled
they may have swilled	I may have been swilling
you may have been swilling
he may have been swilling
we may have been swilling
you may have been swilling
they may have been swilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't swill
you mayn't swill
he mayn't swill
we mayn't swill
you mayn't swill
they mayn't swill 	I mayn't be swilling
you mayn't be swilling
he mayn't be swilling
we mayn't be swilling
you mayn't be swilling
they mayn't be swilling	I mayn't have swilled
you mayn't have swilled
he mayn't have swilled
we mayn't have swilled
you mayn't have swilled
they mayn't have swilled	I mayn't have been swilling
you mayn't have been swilling
he mayn't have been swilling
we mayn't have been swilling
you mayn't have been swilling
they mayn't have been swilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I swill?
may you swill?
may he swill?
may we swill?
may you swill?
may they swill? 	may I be swilling?
may you be swilling?
may he be swilling?
may we be swilling?
may you be swilling?
may they be swilling? 	may I have swilled?
may you have swilled?
may he have swilled?
may we have swilled?
may you have swilled?
may they have swilled? 	may I have been swilling?
may you have been swilling?
may he have been swilling?
may we have been swilling?
may you have been swilling?
may they have been swilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I swill?
mayn't you swill?
mayn't he swill?
mayn't we swill?
mayn't you swill?
mayn't they swill? 	mayn't I be swilling?
mayn't you be swilling?
mayn't he be swilling?
mayn't we be swilling?
mayn't you be swilling?
mayn't they be swilling? 	mayn't I have swilled?
mayn't you have swilled?
mayn't he have swilled?
mayn't we have swilled?
mayn't you have swilled?
mayn't they have swilled? 	mayn't I have been swilling?
mayn't you have been swilling?
mayn't he have been swilling?
mayn't we have been swilling?
mayn't you have been swilling?
mayn't they have been swilling?