English verb conjugation
MAY CEIL

Regular verb: ceil - ceiled - ceiled

Affirmation

Simple form	V-ing form
I may ceil you may ceil she may ceil we may ceil you may ceil they may ceil	I may be ceiling you may be ceiling she may be ceiling we may be ceiling you may be ceiling they may be ceiling
Perfect	V-ing perfect
I may have ceiled you may have ceiled she may have ceiled we may have ceiled you may have ceiled they may have ceiled	I may have been ceiling you may have been ceiling she may have been ceiling we may have been ceiling you may have been ceiling they may have been ceiling

Negation

Simple form	V-ing form
I mayn't ceil you mayn't ceil she mayn't ceil we mayn't ceil you mayn't ceil they mayn't ceil	I mayn't be ceiling you mayn't be ceiling she mayn't be ceiling we mayn't be ceiling you mayn't be ceiling they mayn't be ceiling
Perfect	V-ing perfect
I mayn't have ceiled you mayn't have ceiled she mayn't have ceiled we mayn't have ceiled you mayn't have ceiled they mayn't have ceiled	I mayn't have been ceiling you mayn't have been ceiling she mayn't have been ceiling we mayn't have been ceiling you mayn't have been ceiling they mayn't have been ceiling

Interrogative form

Simple form	V-ing form
may I ceil? may you ceil? may she ceil? may we ceil? may you ceil? may they ceil?	may I be ceiling? may you be ceiling? may she be ceiling? may we be ceiling? may you be ceiling? may they be ceiling?
Perfect	V-ing perfect
may I have ceiled? may you have ceiled? may she have ceiled? may we have ceiled? may you have ceiled? may they have ceiled?	may I have been ceiling? may you have been ceiling? may she have been ceiling? may we have been ceiling? may you have been ceiling? may they have been ceiling?

Interro-negative form

Simple form	V-ing form
mayn't I ceil? mayn't you ceil? mayn't she ceil? mayn't we ceil? mayn't you ceil? mayn't they ceil?	mayn't I be ceiling? mayn't you be ceiling? mayn't she be ceiling? mayn't we be ceiling? mayn't you be ceiling? mayn't they be ceiling?
Perfect	V-ing perfect
mayn't I have ceiled? mayn't you have ceiled? mayn't she have ceiled? mayn't we have ceiled? mayn't you have ceiled? mayn't they have ceiled?	mayn't I have been ceiling? mayn't you have been ceiling? mayn't she have been ceiling? mayn't we have been ceiling? mayn't you have been ceiling? mayn't they have been ceiling?