English verb conjugation
MAY GRAVE

Regular verb: grave - graved - graved

Affirmation

Simple form	V-ing form
I may grave you may grave he may grave we may grave you may grave they may grave	I may be graving you may be graving he may be graving we may be graving you may be graving they may be graving
Perfect	V-ing perfect
I may have graved you may have graved he may have graved we may have graved you may have graved they may have graved	I may have been graving you may have been graving he may have been graving we may have been graving you may have been graving they may have been graving

Negation

Simple form	V-ing form
I may not grave you may not grave he may not grave we may not grave you may not grave they may not grave	I may not be graving you may not be graving he may not be graving we may not be graving you may not be graving they may not be graving
Perfect	V-ing perfect
I may not have graved you may not have graved he may not have graved we may not have graved you may not have graved they may not have graved	I may not have been graving you may not have been graving he may not have been graving we may not have been graving you may not have been graving they may not have been graving

Interrogative form

Simple form	V-ing form
may I grave? may you grave? may he grave? may we grave? may you grave? may they grave?	may I be graving? may you be graving? may he be graving? may we be graving? may you be graving? may they be graving?
Perfect	V-ing perfect
may I have graved? may you have graved? may he have graved? may we have graved? may you have graved? may they have graved?	may I have been graving? may you have been graving? may he have been graving? may we have been graving? may you have been graving? may they have been graving?

Interro-negative form

Simple form	V-ing form
may I not grave? may you not grave? may he not grave? may we not grave? may you not grave? may they not grave?	may I not be graving? may you not be graving? may he not be graving? may we not be graving? may you not be graving? may they not be graving?
Perfect	V-ing perfect
may I not have graved? may you not have graved? may he not have graved? may we not have graved? may you not have graved? may they not have graved?	may I not have been graving? may you not have been graving? may he not have been graving? may we not have been graving? may you not have been graving? may they not have been graving?