English verb conjugation
MAY PREHARDEN

Regular verb: preharden - prehardened - prehardened

Affirmation

Simple form	V-ing form
I may preharden you may preharden he may preharden we may preharden you may preharden they may preharden	I may be prehardening you may be prehardening he may be prehardening we may be prehardening you may be prehardening they may be prehardening
Perfect	V-ing perfect
I may have prehardened you may have prehardened he may have prehardened we may have prehardened you may have prehardened they may have prehardened	I may have been prehardening you may have been prehardening he may have been prehardening we may have been prehardening you may have been prehardening they may have been prehardening

Negation

Simple form	V-ing form
I mayn't preharden you mayn't preharden he mayn't preharden we mayn't preharden you mayn't preharden they mayn't preharden	I mayn't be prehardening you mayn't be prehardening he mayn't be prehardening we mayn't be prehardening you mayn't be prehardening they mayn't be prehardening
Perfect	V-ing perfect
I mayn't have prehardened you mayn't have prehardened he mayn't have prehardened we mayn't have prehardened you mayn't have prehardened they mayn't have prehardened	I mayn't have been prehardening you mayn't have been prehardening he mayn't have been prehardening we mayn't have been prehardening you mayn't have been prehardening they mayn't have been prehardening

Interrogative form

Simple form	V-ing form
may I preharden? may you preharden? may he preharden? may we preharden? may you preharden? may they preharden?	may I be prehardening? may you be prehardening? may he be prehardening? may we be prehardening? may you be prehardening? may they be prehardening?
Perfect	V-ing perfect
may I have prehardened? may you have prehardened? may he have prehardened? may we have prehardened? may you have prehardened? may they have prehardened?	may I have been prehardening? may you have been prehardening? may he have been prehardening? may we have been prehardening? may you have been prehardening? may they have been prehardening?

Interro-negative form

Simple form	V-ing form
mayn't I preharden? mayn't you preharden? mayn't he preharden? mayn't we preharden? mayn't you preharden? mayn't they preharden?	mayn't I be prehardening? mayn't you be prehardening? mayn't he be prehardening? mayn't we be prehardening? mayn't you be prehardening? mayn't they be prehardening?
Perfect	V-ing perfect
mayn't I have prehardened? mayn't you have prehardened? mayn't he have prehardened? mayn't we have prehardened? mayn't you have prehardened? mayn't they have prehardened?	mayn't I have been prehardening? mayn't you have been prehardening? mayn't he have been prehardening? mayn't we have been prehardening? mayn't you have been prehardening? mayn't they have been prehardening?