English verb conjugation
CAN RIBBON

Regular verb: ribbon - ribboned - ribboned

Affirmation

Simple form	V-ing form
I can ribbon you can ribbon he can ribbon we can ribbon you can ribbon they can ribbon	I can be ribboning you can be ribboning he can be ribboning we can be ribboning you can be ribboning they can be ribboning
Perfect	V-ing perfect
I can have ribboned you can have ribboned he can have ribboned we can have ribboned you can have ribboned they can have ribboned	I can have been ribboning you can have been ribboning he can have been ribboning we can have been ribboning you can have been ribboning they can have been ribboning

Negation

Simple form	V-ing form
I cannot ribbon you cannot ribbon he cannot ribbon we cannot ribbon you cannot ribbon they cannot ribbon	I cannot be ribboning you cannot be ribboning he cannot be ribboning we cannot be ribboning you cannot be ribboning they cannot be ribboning
Perfect	V-ing perfect
I cannot have ribboned you cannot have ribboned he cannot have ribboned we cannot have ribboned you cannot have ribboned they cannot have ribboned	I cannot have been ribboning you cannot have been ribboning he cannot have been ribboning we cannot have been ribboning you cannot have been ribboning they cannot have been ribboning

Interrogative form

Simple form	V-ing form
can I ribbon? can you ribbon? can he ribbon? can we ribbon? can you ribbon? can they ribbon?	can I be ribboning? can you be ribboning? can he be ribboning? can we be ribboning? can you be ribboning? can they be ribboning?
Perfect	V-ing perfect
can I have ribboned? can you have ribboned? can he have ribboned? can we have ribboned? can you have ribboned? can they have ribboned?	can I have been ribboning? can you have been ribboning? can he have been ribboning? can we have been ribboning? can you have been ribboning? can they have been ribboning?

Interro-negative form

Simple form	V-ing form
can I not ribbon? can you not ribbon? can he not ribbon? can we not ribbon? can you not ribbon? can they not ribbon?	can I not be ribboning? can you not be ribboning? can he not be ribboning? can we not be ribboning? can you not be ribboning? can they not be ribboning?
Perfect	V-ing perfect
can I not have ribboned? can you not have ribboned? can he not have ribboned? can we not have ribboned? can you not have ribboned? can they not have ribboned?	can I not have been ribboning? can you not have been ribboning? can he not have been ribboning? can we not have been ribboning? can you not have been ribboning? can they not have been ribboning?