English verb conjugation
MAY UPHEAVE

Regular verb: upheave - upheaved - upheaved

Affirmation

Simple form	V-ing form
I may upheave you may upheave he may upheave we may upheave you may upheave they may upheave	I may be upheaving you may be upheaving he may be upheaving we may be upheaving you may be upheaving they may be upheaving
Perfect	V-ing perfect
I may have upheaved you may have upheaved he may have upheaved we may have upheaved you may have upheaved they may have upheaved	I may have been upheaving you may have been upheaving he may have been upheaving we may have been upheaving you may have been upheaving they may have been upheaving

Negation

Simple form	V-ing form
I mayn't upheave you mayn't upheave he mayn't upheave we mayn't upheave you mayn't upheave they mayn't upheave	I mayn't be upheaving you mayn't be upheaving he mayn't be upheaving we mayn't be upheaving you mayn't be upheaving they mayn't be upheaving
Perfect	V-ing perfect
I mayn't have upheaved you mayn't have upheaved he mayn't have upheaved we mayn't have upheaved you mayn't have upheaved they mayn't have upheaved	I mayn't have been upheaving you mayn't have been upheaving he mayn't have been upheaving we mayn't have been upheaving you mayn't have been upheaving they mayn't have been upheaving

Interrogative form

Simple form	V-ing form
may I upheave? may you upheave? may he upheave? may we upheave? may you upheave? may they upheave?	may I be upheaving? may you be upheaving? may he be upheaving? may we be upheaving? may you be upheaving? may they be upheaving?
Perfect	V-ing perfect
may I have upheaved? may you have upheaved? may he have upheaved? may we have upheaved? may you have upheaved? may they have upheaved?	may I have been upheaving? may you have been upheaving? may he have been upheaving? may we have been upheaving? may you have been upheaving? may they have been upheaving?

Interro-negative form

Simple form	V-ing form
mayn't I upheave? mayn't you upheave? mayn't he upheave? mayn't we upheave? mayn't you upheave? mayn't they upheave?	mayn't I be upheaving? mayn't you be upheaving? mayn't he be upheaving? mayn't we be upheaving? mayn't you be upheaving? mayn't they be upheaving?
Perfect	V-ing perfect
mayn't I have upheaved? mayn't you have upheaved? mayn't he have upheaved? mayn't we have upheaved? mayn't you have upheaved? mayn't they have upheaved?	mayn't I have been upheaving? mayn't you have been upheaving? mayn't he have been upheaving? mayn't we have been upheaving? mayn't you have been upheaving? mayn't they have been upheaving?