may sise
Regular verb: sise - sised- sised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sise
you may sise
he may sise
we may sise
you may sise
they may sise 	I may be sising
you may be sising
he may be sising
we may be sising
you may be sising
they may be sising	I may have sised
you may have sised
he may have sised
we may have sised
you may have sised
they may have sised	I may have been sising
you may have been sising
he may have been sising
we may have been sising
you may have been sising
they may have been sising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't sise
you mayn't sise
he mayn't sise
we mayn't sise
you mayn't sise
they mayn't sise 	I mayn't be sising
you mayn't be sising
he mayn't be sising
we mayn't be sising
you mayn't be sising
they mayn't be sising	I mayn't have sised
you mayn't have sised
he mayn't have sised
we mayn't have sised
you mayn't have sised
they mayn't have sised	I mayn't have been sising
you mayn't have been sising
he mayn't have been sising
we mayn't have been sising
you mayn't have been sising
they mayn't have been sising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sise?
may you sise?
may he sise?
may we sise?
may you sise?
may they sise? 	may I be sising?
may you be sising?
may he be sising?
may we be sising?
may you be sising?
may they be sising? 	may I have sised?
may you have sised?
may he have sised?
may we have sised?
may you have sised?
may they have sised? 	may I have been sising?
may you have been sising?
may he have been sising?
may we have been sising?
may you have been sising?
may they have been sising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I sise?
mayn't you sise?
mayn't he sise?
mayn't we sise?
mayn't you sise?
mayn't they sise? 	mayn't I be sising?
mayn't you be sising?
mayn't he be sising?
mayn't we be sising?
mayn't you be sising?
mayn't they be sising? 	mayn't I have sised?
mayn't you have sised?
mayn't he have sised?
mayn't we have sised?
mayn't you have sised?
mayn't they have sised? 	mayn't I have been sising?
mayn't you have been sising?
mayn't he have been sising?
mayn't we have been sising?
mayn't you have been sising?
mayn't they have been sising?