I can limb you can limb he can limb we can limb you can limb they can limb
V-ing form
I can be limbing you can be limbing he can be limbing we can be limbing you can be limbing they can be limbing
Perfect
I can have limbed you can have limbed he can have limbed we can have limbed you can have limbed they can have limbed
V-ing perfect
I can have been limbing you can have been limbing he can have been limbing we can have been limbing you can have been limbing they can have been limbing
Negation
Simple form
I can't limb you can't limb he can't limb we can't limb you can't limb they can't limb
V-ing form
I can't be limbing you can't be limbing he can't be limbing we can't be limbing you can't be limbing they can't be limbing
Perfect
I can't have limbed you can't have limbed he can't have limbed we can't have limbed you can't have limbed they can't have limbed
V-ing perfect
I can't have been limbing you can't have been limbing he can't have been limbing we can't have been limbing you can't have been limbing they can't have been limbing
Interrogative form
Simple form
can I limb? can you limb? can he limb? can we limb? can you limb? can they limb?
V-ing form
can I be limbing? can you be limbing? can he be limbing? can we be limbing? can you be limbing? can they be limbing?
Perfect
can I have limbed? can you have limbed? can he have limbed? can we have limbed? can you have limbed? can they have limbed?
V-ing perfect
can I have been limbing? can you have been limbing? can he have been limbing? can we have been limbing? can you have been limbing? can they have been limbing?
Interro-negative form
Simple form
can't I limb? can't you limb? can't he limb? can't we limb? can't you limb? can't they limb?
V-ing form
can't I be limbing? can't you be limbing? can't he be limbing? can't we be limbing? can't you be limbing? can't they be limbing?
Perfect
can't I have limbed? can't you have limbed? can't he have limbed? can't we have limbed? can't you have limbed? can't they have limbed?
V-ing perfect
can't I have been limbing? can't you have been limbing? can't he have been limbing? can't we have been limbing? can't you have been limbing? can't they have been limbing?