English verb conjugation
MAY UPEND

Regular verb: upend - upended - upended

Affirmation

Simple form	V-ing form
I may upend you may upend he may upend we may upend you may upend they may upend	I may be upending you may be upending he may be upending we may be upending you may be upending they may be upending
Perfect	V-ing perfect
I may have upended you may have upended he may have upended we may have upended you may have upended they may have upended	I may have been upending you may have been upending he may have been upending we may have been upending you may have been upending they may have been upending

Negation

Simple form	V-ing form
I mayn't upend you mayn't upend he mayn't upend we mayn't upend you mayn't upend they mayn't upend	I mayn't be upending you mayn't be upending he mayn't be upending we mayn't be upending you mayn't be upending they mayn't be upending
Perfect	V-ing perfect
I mayn't have upended you mayn't have upended he mayn't have upended we mayn't have upended you mayn't have upended they mayn't have upended	I mayn't have been upending you mayn't have been upending he mayn't have been upending we mayn't have been upending you mayn't have been upending they mayn't have been upending

Interrogative form

Simple form	V-ing form
may I upend? may you upend? may he upend? may we upend? may you upend? may they upend?	may I be upending? may you be upending? may he be upending? may we be upending? may you be upending? may they be upending?
Perfect	V-ing perfect
may I have upended? may you have upended? may he have upended? may we have upended? may you have upended? may they have upended?	may I have been upending? may you have been upending? may he have been upending? may we have been upending? may you have been upending? may they have been upending?

Interro-negative form

Simple form	V-ing form
mayn't I upend? mayn't you upend? mayn't he upend? mayn't we upend? mayn't you upend? mayn't they upend?	mayn't I be upending? mayn't you be upending? mayn't he be upending? mayn't we be upending? mayn't you be upending? mayn't they be upending?
Perfect	V-ing perfect
mayn't I have upended? mayn't you have upended? mayn't he have upended? mayn't we have upended? mayn't you have upended? mayn't they have upended?	mayn't I have been upending? mayn't you have been upending? mayn't he have been upending? mayn't we have been upending? mayn't you have been upending? mayn't they have been upending?