English verb conjugation
MAY PREHARDEN

Regular verb: preharden - prehardened - prehardened

Affirmation

Simple form	V-ing form
I may preharden you may preharden she may preharden we may preharden you may preharden they may preharden	I may be prehardening you may be prehardening she 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 she 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 she 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 she 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 she 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 she 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 she 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 she preharden? may we preharden? may you preharden? may they preharden?	may I be prehardening? may you be prehardening? may she 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 she 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 she 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 she 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 she 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 she 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 she have been prehardening? mayn't we have been prehardening? mayn't you have been prehardening? mayn't they have been prehardening?