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 can't ribbon you can't ribbon he can't ribbon we can't ribbon you can't ribbon they can't ribbon	I can't be ribboning you can't be ribboning he can't be ribboning we can't be ribboning you can't be ribboning they can't be ribboning
Perfect	V-ing perfect
I can't have ribboned you can't have ribboned he can't have ribboned we can't have ribboned you can't have ribboned they can't have ribboned	I can't have been ribboning you can't have been ribboning he can't have been ribboning we can't have been ribboning you can't have been ribboning they can't 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't I ribbon? can't you ribbon? can't he ribbon? can't we ribbon? can't you ribbon? can't they ribbon?	can't I be ribboning? can't you be ribboning? can't he be ribboning? can't we be ribboning? can't you be ribboning? can't they be ribboning?
Perfect	V-ing perfect
can't I have ribboned? can't you have ribboned? can't he have ribboned? can't we have ribboned? can't you have ribboned? can't they have ribboned?	can't I have been ribboning? can't you have been ribboning? can't he have been ribboning? can't we have been ribboning? can't you have been ribboning? can't they have been ribboning?