English verb conjugation
MAY UPHEAVE

Regular verb: upheave - upheaved - upheaved

Affirmation

Simple form	V-ing form
I may upheave you may upheave she may upheave we may upheave you may upheave they may upheave	I may be upheaving you may be upheaving she 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 she 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 she 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 may not upheave you may not upheave she may not upheave we may not upheave you may not upheave they may not upheave	I may not be upheaving you may not be upheaving she may not be upheaving we may not be upheaving you may not be upheaving they may not be upheaving
Perfect	V-ing perfect
I may not have upheaved you may not have upheaved she may not have upheaved we may not have upheaved you may not have upheaved they may not have upheaved	I may not have been upheaving you may not have been upheaving she may not have been upheaving we may not have been upheaving you may not have been upheaving they may not have been upheaving

Interrogative form

Simple form	V-ing form
may I upheave? may you upheave? may she upheave? may we upheave? may you upheave? may they upheave?	may I be upheaving? may you be upheaving? may she 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 she 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 she 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
may I not upheave? may you not upheave? may she not upheave? may we not upheave? may you not upheave? may they not upheave?	may I not be upheaving? may you not be upheaving? may she not be upheaving? may we not be upheaving? may you not be upheaving? may they not be upheaving?
Perfect	V-ing perfect
may I not have upheaved? may you not have upheaved? may she not have upheaved? may we not have upheaved? may you not have upheaved? may they not have upheaved?	may I not have been upheaving? may you not have been upheaving? may she not have been upheaving? may we not have been upheaving? may you not have been upheaving? may they not have been upheaving?