I may contend you may contend he may contend we may contend you may contend they may contend
V-ing form
I may be contending you may be contending he may be contending we may be contending you may be contending they may be contending
Perfect
I may have contended you may have contended he may have contended we may have contended you may have contended they may have contended
V-ing perfect
I may have been contending you may have been contending he may have been contending we may have been contending you may have been contending they may have been contending
Negation
Simple form
I mayn't contend you mayn't contend he mayn't contend we mayn't contend you mayn't contend they mayn't contend
V-ing form
I mayn't be contending you mayn't be contending he mayn't be contending we mayn't be contending you mayn't be contending they mayn't be contending
Perfect
I mayn't have contended you mayn't have contended he mayn't have contended we mayn't have contended you mayn't have contended they mayn't have contended
V-ing perfect
I mayn't have been contending you mayn't have been contending he 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
may I contend? may you contend? may he contend? may we contend? may you contend? may they contend?
V-ing form
may I be contending? may you be contending? may he be contending? may we be contending? may you be contending? may they be contending?
Perfect
may I have contended? may you have contended? may he have contended? may we have contended? may you have contended? may they have contended?
V-ing perfect
may I have been contending? may you have been contending? may he have been contending? may we have been contending? may you have been contending? may they have been contending?
Interro-negative form
Simple form
mayn't I contend? mayn't you contend? mayn't he contend? mayn't we contend? mayn't you contend? mayn't they contend?
V-ing form
mayn't I be contending? mayn't you be contending? mayn't he be contending? mayn't we be contending? mayn't you be contending? mayn't they be contending?
Perfect
mayn't I have contended? mayn't you have contended? mayn't he have contended? mayn't we have contended? mayn't you have contended? mayn't they have contended?
V-ing perfect
mayn't I have been contending? mayn't you have been contending? mayn't he have been contending? mayn't we have been contending? mayn't you have been contending? mayn't they have been contending?