English verb conjugation
CAN ENGRAVE

Regular verb: engrave - engraved - engraved

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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