English verb conjugation
MAY DECEIVE

Regular verb: deceive - deceived - deceived

Affirmation

Simple form	V-ing form
I may deceive you may deceive she may deceive we may deceive you may deceive they may deceive	I may be deceiving you may be deceiving she may be deceiving we may be deceiving you may be deceiving they may be deceiving
Perfect	V-ing perfect
I may have deceived you may have deceived she may have deceived we may have deceived you may have deceived they may have deceived	I may have been deceiving you may have been deceiving she may have been deceiving we may have been deceiving you may have been deceiving they may have been deceiving

Negation

Simple form	V-ing form
I mayn't deceive you mayn't deceive she mayn't deceive we mayn't deceive you mayn't deceive they mayn't deceive	I mayn't be deceiving you mayn't be deceiving she mayn't be deceiving we mayn't be deceiving you mayn't be deceiving they mayn't be deceiving
Perfect	V-ing perfect
I mayn't have deceived you mayn't have deceived she mayn't have deceived we mayn't have deceived you mayn't have deceived they mayn't have deceived	I mayn't have been deceiving you mayn't have been deceiving she mayn't have been deceiving we mayn't have been deceiving you mayn't have been deceiving they mayn't have been deceiving

Interrogative form

Simple form	V-ing form
may I deceive? may you deceive? may she deceive? may we deceive? may you deceive? may they deceive?	may I be deceiving? may you be deceiving? may she be deceiving? may we be deceiving? may you be deceiving? may they be deceiving?
Perfect	V-ing perfect
may I have deceived? may you have deceived? may she have deceived? may we have deceived? may you have deceived? may they have deceived?	may I have been deceiving? may you have been deceiving? may she have been deceiving? may we have been deceiving? may you have been deceiving? may they have been deceiving?

Interro-negative form

Simple form	V-ing form
mayn't I deceive? mayn't you deceive? mayn't she deceive? mayn't we deceive? mayn't you deceive? mayn't they deceive?	mayn't I be deceiving? mayn't you be deceiving? mayn't she be deceiving? mayn't we be deceiving? mayn't you be deceiving? mayn't they be deceiving?
Perfect	V-ing perfect
mayn't I have deceived? mayn't you have deceived? mayn't she have deceived? mayn't we have deceived? mayn't you have deceived? mayn't they have deceived?	mayn't I have been deceiving? mayn't you have been deceiving? mayn't she have been deceiving? mayn't we have been deceiving? mayn't you have been deceiving? mayn't they have been deceiving?