Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can curb curb you can curb curb he can curb curb we can curb curb you can curb curb they can curb curb
V-ing form
I can be curb curbing you can be curb curbing he can be curb curbing we can be curb curbing you can be curb curbing they can be curb curbing
Perfect
I can have curb curbed you can have curb curbed he can have curb curbed we can have curb curbed you can have curb curbed they can have curb curbed
V-ing perfect
I can have been curb curbing you can have been curb curbing he can have been curb curbing we can have been curb curbing you can have been curb curbing they can have been curb curbing
Negation
Simple form
I can't curb curb you can't curb curb he can't curb curb we can't curb curb you can't curb curb they can't curb curb
V-ing form
I can't be curb curbing you can't be curb curbing he can't be curb curbing we can't be curb curbing you can't be curb curbing they can't be curb curbing
Perfect
I can't have curb curbed you can't have curb curbed he can't have curb curbed we can't have curb curbed you can't have curb curbed they can't have curb curbed
V-ing perfect
I can't have been curb curbing you can't have been curb curbing he can't have been curb curbing we can't have been curb curbing you can't have been curb curbing they can't have been curb curbing
Interrogative form
Simple form
can I curb curb? can you curb curb? can he curb curb? can we curb curb? can you curb curb? can they curb curb?
V-ing form
can I be curb curbing? can you be curb curbing? can he be curb curbing? can we be curb curbing? can you be curb curbing? can they be curb curbing?
Perfect
can I have curb curbed? can you have curb curbed? can he have curb curbed? can we have curb curbed? can you have curb curbed? can they have curb curbed?
V-ing perfect
can I have been curb curbing? can you have been curb curbing? can he have been curb curbing? can we have been curb curbing? can you have been curb curbing? can they have been curb curbing?
Interro-negative form
Simple form
can't I curb curb? can't you curb curb? can't he curb curb? can't we curb curb? can't you curb curb? can't they curb curb?
V-ing form
can't I be curb curbing? can't you be curb curbing? can't he be curb curbing? can't we be curb curbing? can't you be curb curbing? can't they be curb curbing?
Perfect
can't I have curb curbed? can't you have curb curbed? can't he have curb curbed? can't we have curb curbed? can't you have curb curbed? can't they have curb curbed?
V-ing perfect
can't I have been curb curbing? can't you have been curb curbing? can't he have been curb curbing? can't we have been curb curbing? can't you have been curb curbing? can't they have been curb curbing?