English verb conjugation
CAN ENGRAFT

Regular verb: engraft - engrafted - engrafted

Affirmation

Simple form	V-ing form
I can engraft you can engraft he can engraft we can engraft you can engraft they can engraft	I can be engrafting you can be engrafting he can be engrafting we can be engrafting you can be engrafting they can be engrafting
Perfect	V-ing perfect
I can have engrafted you can have engrafted he can have engrafted we can have engrafted you can have engrafted they can have engrafted	I can have been engrafting you can have been engrafting he can have been engrafting we can have been engrafting you can have been engrafting they can have been engrafting

Negation

Simple form	V-ing form
I can't engraft you can't engraft he can't engraft we can't engraft you can't engraft they can't engraft	I can't be engrafting you can't be engrafting he can't be engrafting we can't be engrafting you can't be engrafting they can't be engrafting
Perfect	V-ing perfect
I can't have engrafted you can't have engrafted he can't have engrafted we can't have engrafted you can't have engrafted they can't have engrafted	I can't have been engrafting you can't have been engrafting he can't have been engrafting we can't have been engrafting you can't have been engrafting they can't have been engrafting

Interrogative form

Simple form	V-ing form
can I engraft? can you engraft? can he engraft? can we engraft? can you engraft? can they engraft?	can I be engrafting? can you be engrafting? can he be engrafting? can we be engrafting? can you be engrafting? can they be engrafting?
Perfect	V-ing perfect
can I have engrafted? can you have engrafted? can he have engrafted? can we have engrafted? can you have engrafted? can they have engrafted?	can I have been engrafting? can you have been engrafting? can he have been engrafting? can we have been engrafting? can you have been engrafting? can they have been engrafting?

Interro-negative form

Simple form	V-ing form
can't I engraft? can't you engraft? can't he engraft? can't we engraft? can't you engraft? can't they engraft?	can't I be engrafting? can't you be engrafting? can't he be engrafting? can't we be engrafting? can't you be engrafting? can't they be engrafting?
Perfect	V-ing perfect
can't I have engrafted? can't you have engrafted? can't he have engrafted? can't we have engrafted? can't you have engrafted? can't they have engrafted?	can't I have been engrafting? can't you have been engrafting? can't he have been engrafting? can't we have been engrafting? can't you have been engrafting? can't they have been engrafting?