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 can't engrave you can't engrave he can't engrave we can't engrave you can't engrave they can't engrave	I can't be engraving you can't be engraving he can't be engraving we can't be engraving you can't be engraving they can't be engraving
Perfect	V-ing perfect
I can't have engraved you can't have engraved he can't have engraved we can't have engraved you can't have engraved they can't have engraved	I can't have been engraving you can't have been engraving he can't have been engraving we can't have been engraving you can't have been engraving they can't 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't I engrave? can't you engrave? can't he engrave? can't we engrave? can't you engrave? can't they engrave?	can't I be engraving? can't you be engraving? can't he be engraving? can't we be engraving? can't you be engraving? can't they be engraving?
Perfect	V-ing perfect
can't I have engraved? can't you have engraved? can't he have engraved? can't we have engraved? can't you have engraved? can't they have engraved?	can't I have been engraving? can't you have been engraving? can't he have been engraving? can't we have been engraving? can't you have been engraving? can't they have been engraving?