English verb conjugation
MAY OVERTIGHTEN

Regular verb: overtighten - overtightened - overtightened

Affirmation

Simple form	V-ing form
I may overtighten you may overtighten he may overtighten we may overtighten you may overtighten they may overtighten	I may be overtightening you may be overtightening he may be overtightening we may be overtightening you may be overtightening they may be overtightening
Perfect	V-ing perfect
I may have overtightened you may have overtightened he may have overtightened we may have overtightened you may have overtightened they may have overtightened	I may have been overtightening you may have been overtightening he may have been overtightening we may have been overtightening you may have been overtightening they may have been overtightening

Negation

Simple form	V-ing form
I mayn't overtighten you mayn't overtighten he mayn't overtighten we mayn't overtighten you mayn't overtighten they mayn't overtighten	I mayn't be overtightening you mayn't be overtightening he mayn't be overtightening we mayn't be overtightening you mayn't be overtightening they mayn't be overtightening
Perfect	V-ing perfect
I mayn't have overtightened you mayn't have overtightened he mayn't have overtightened we mayn't have overtightened you mayn't have overtightened they mayn't have overtightened	I mayn't have been overtightening you mayn't have been overtightening he mayn't have been overtightening we mayn't have been overtightening you mayn't have been overtightening they mayn't have been overtightening

Interrogative form

Simple form	V-ing form
may I overtighten? may you overtighten? may he overtighten? may we overtighten? may you overtighten? may they overtighten?	may I be overtightening? may you be overtightening? may he be overtightening? may we be overtightening? may you be overtightening? may they be overtightening?
Perfect	V-ing perfect
may I have overtightened? may you have overtightened? may he have overtightened? may we have overtightened? may you have overtightened? may they have overtightened?	may I have been overtightening? may you have been overtightening? may he have been overtightening? may we have been overtightening? may you have been overtightening? may they have been overtightening?

Interro-negative form

Simple form	V-ing form
mayn't I overtighten? mayn't you overtighten? mayn't he overtighten? mayn't we overtighten? mayn't you overtighten? mayn't they overtighten?	mayn't I be overtightening? mayn't you be overtightening? mayn't he be overtightening? mayn't we be overtightening? mayn't you be overtightening? mayn't they be overtightening?
Perfect	V-ing perfect
mayn't I have overtightened? mayn't you have overtightened? mayn't he have overtightened? mayn't we have overtightened? mayn't you have overtightened? mayn't they have overtightened?	mayn't I have been overtightening? mayn't you have been overtightening? mayn't he have been overtightening? mayn't we have been overtightening? mayn't you have been overtightening? mayn't they have been overtightening?