English verb conjugation
MAY SICKEN

Regular verb: sicken - sickened - sickened

Affirmation

Simple form	V-ing form
I may sicken you may sicken he may sicken we may sicken you may sicken they may sicken	I may be sickening you may be sickening he may be sickening we may be sickening you may be sickening they may be sickening
Perfect	V-ing perfect
I may have sickened you may have sickened he may have sickened we may have sickened you may have sickened they may have sickened	I may have been sickening you may have been sickening he may have been sickening we may have been sickening you may have been sickening they may have been sickening

Negation

Simple form	V-ing form
I mayn't sicken you mayn't sicken he mayn't sicken we mayn't sicken you mayn't sicken they mayn't sicken	I mayn't be sickening you mayn't be sickening he mayn't be sickening we mayn't be sickening you mayn't be sickening they mayn't be sickening
Perfect	V-ing perfect
I mayn't have sickened you mayn't have sickened he mayn't have sickened we mayn't have sickened you mayn't have sickened they mayn't have sickened	I mayn't have been sickening you mayn't have been sickening he mayn't have been sickening we mayn't have been sickening you mayn't have been sickening they mayn't have been sickening

Interrogative form

Simple form	V-ing form
may I sicken? may you sicken? may he sicken? may we sicken? may you sicken? may they sicken?	may I be sickening? may you be sickening? may he be sickening? may we be sickening? may you be sickening? may they be sickening?
Perfect	V-ing perfect
may I have sickened? may you have sickened? may he have sickened? may we have sickened? may you have sickened? may they have sickened?	may I have been sickening? may you have been sickening? may he have been sickening? may we have been sickening? may you have been sickening? may they have been sickening?

Interro-negative form

Simple form	V-ing form
mayn't I sicken? mayn't you sicken? mayn't he sicken? mayn't we sicken? mayn't you sicken? mayn't they sicken?	mayn't I be sickening? mayn't you be sickening? mayn't he be sickening? mayn't we be sickening? mayn't you be sickening? mayn't they be sickening?
Perfect	V-ing perfect
mayn't I have sickened? mayn't you have sickened? mayn't he have sickened? mayn't we have sickened? mayn't you have sickened? mayn't they have sickened?	mayn't I have been sickening? mayn't you have been sickening? mayn't he have been sickening? mayn't we have been sickening? mayn't you have been sickening? mayn't they have been sickening?