English verb conjugation
MAY ENGRAVE

Regular verb: engrave - engraved - engraved

Affirmation

Simple form	V-ing form
I may engrave you may engrave he may engrave we may engrave you may engrave they may engrave	I may be engraving you may be engraving he may be engraving we may be engraving you may be engraving they may be engraving
Perfect	V-ing perfect
I may have engraved you may have engraved he may have engraved we may have engraved you may have engraved they may have engraved	I may have been engraving you may have been engraving he may have been engraving we may have been engraving you may have been engraving they may have been engraving

Negation

Simple form	V-ing form
I may not engrave you may not engrave he may not engrave we may not engrave you may not engrave they may not engrave	I may not be engraving you may not be engraving he may not be engraving we may not be engraving you may not be engraving they may not be engraving
Perfect	V-ing perfect
I may not have engraved you may not have engraved he may not have engraved we may not have engraved you may not have engraved they may not have engraved	I may not have been engraving you may not have been engraving he may not have been engraving we may not have been engraving you may not have been engraving they may not have been engraving

Interrogative form

Simple form	V-ing form
may I engrave? may you engrave? may he engrave? may we engrave? may you engrave? may they engrave?	may I be engraving? may you be engraving? may he be engraving? may we be engraving? may you be engraving? may they be engraving?
Perfect	V-ing perfect
may I have engraved? may you have engraved? may he have engraved? may we have engraved? may you have engraved? may they have engraved?	may I have been engraving? may you have been engraving? may he have been engraving? may we have been engraving? may you have been engraving? may they have been engraving?

Interro-negative form

Simple form	V-ing form
may I not engrave? may you not engrave? may he not engrave? may we not engrave? may you not engrave? may they not engrave?	may I not be engraving? may you not be engraving? may he not be engraving? may we not be engraving? may you not be engraving? may they not be engraving?
Perfect	V-ing perfect
may I not have engraved? may you not have engraved? may he not have engraved? may we not have engraved? may you not have engraved? may they not have engraved?	may I not have been engraving? may you not have been engraving? may he not have been engraving? may we not have been engraving? may you not have been engraving? may they not have been engraving?