English verb conjugation
MAY CONTEND

Regular verb: contend - contended - contended

Affirmation

Simple form	V-ing form
I may contend you may contend she may contend we may contend you may contend they may contend	I may be contending you may be contending she may be contending we may be contending you may be contending they may be contending
Perfect	V-ing perfect
I may have contended you may have contended she may have contended we may have contended you may have contended they may have contended	I may have been contending you may have been contending she may have been contending we may have been contending you may have been contending they may have been contending

Negation

Simple form	V-ing form
I mayn't contend you mayn't contend she mayn't contend we mayn't contend you mayn't contend they mayn't contend	I mayn't be contending you mayn't be contending she mayn't be contending we mayn't be contending you mayn't be contending they mayn't be contending
Perfect	V-ing perfect
I mayn't have contended you mayn't have contended she mayn't have contended we mayn't have contended you mayn't have contended they mayn't have contended	I mayn't have been contending you mayn't have been contending she mayn't have been contending we mayn't have been contending you mayn't have been contending they mayn't have been contending

Interrogative form

Simple form	V-ing form
may I contend? may you contend? may she contend? may we contend? may you contend? may they contend?	may I be contending? may you be contending? may she be contending? may we be contending? may you be contending? may they be contending?
Perfect	V-ing perfect
may I have contended? may you have contended? may she have contended? may we have contended? may you have contended? may they have contended?	may I have been contending? may you have been contending? may she have been contending? may we have been contending? may you have been contending? may they have been contending?

Interro-negative form

Simple form	V-ing form
mayn't I contend? mayn't you contend? mayn't she contend? mayn't we contend? mayn't you contend? mayn't they contend?	mayn't I be contending? mayn't you be contending? mayn't she be contending? mayn't we be contending? mayn't you be contending? mayn't they be contending?
Perfect	V-ing perfect
mayn't I have contended? mayn't you have contended? mayn't she have contended? mayn't we have contended? mayn't you have contended? mayn't they have contended?	mayn't I have been contending? mayn't you have been contending? mayn't she have been contending? mayn't we have been contending? mayn't you have been contending? mayn't they have been contending?