English verb conjugation
MAY RETIGHTEN

Regular verb: retighten - retightened - retightened

Affirmation

Simple form	V-ing form
I may retighten you may retighten he may retighten we may retighten you may retighten they may retighten	I may be retightening you may be retightening he may be retightening we may be retightening you may be retightening they may be retightening
Perfect	V-ing perfect
I may have retightened you may have retightened he may have retightened we may have retightened you may have retightened they may have retightened	I may have been retightening you may have been retightening he may have been retightening we may have been retightening you may have been retightening they may have been retightening

Negation

Simple form	V-ing form
I mayn't retighten you mayn't retighten he mayn't retighten we mayn't retighten you mayn't retighten they mayn't retighten	I mayn't be retightening you mayn't be retightening he mayn't be retightening we mayn't be retightening you mayn't be retightening they mayn't be retightening
Perfect	V-ing perfect
I mayn't have retightened you mayn't have retightened he mayn't have retightened we mayn't have retightened you mayn't have retightened they mayn't have retightened	I mayn't have been retightening you mayn't have been retightening he mayn't have been retightening we mayn't have been retightening you mayn't have been retightening they mayn't have been retightening

Interrogative form

Simple form	V-ing form
may I retighten? may you retighten? may he retighten? may we retighten? may you retighten? may they retighten?	may I be retightening? may you be retightening? may he be retightening? may we be retightening? may you be retightening? may they be retightening?
Perfect	V-ing perfect
may I have retightened? may you have retightened? may he have retightened? may we have retightened? may you have retightened? may they have retightened?	may I have been retightening? may you have been retightening? may he have been retightening? may we have been retightening? may you have been retightening? may they have been retightening?

Interro-negative form

Simple form	V-ing form
mayn't I retighten? mayn't you retighten? mayn't he retighten? mayn't we retighten? mayn't you retighten? mayn't they retighten?	mayn't I be retightening? mayn't you be retightening? mayn't he be retightening? mayn't we be retightening? mayn't you be retightening? mayn't they be retightening?
Perfect	V-ing perfect
mayn't I have retightened? mayn't you have retightened? mayn't he have retightened? mayn't we have retightened? mayn't you have retightened? mayn't they have retightened?	mayn't I have been retightening? mayn't you have been retightening? mayn't he have been retightening? mayn't we have been retightening? mayn't you have been retightening? mayn't they have been retightening?