English verb conjugation
MAY SISE

Regular verb: sise - sised - sised

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?