I can snub you can snub he can snub we can snub you can snub they can snub
V-ing form
I can be snubbing you can be snubbing he can be snubbing we can be snubbing you can be snubbing they can be snubbing
Perfect
I can have snubbed you can have snubbed he can have snubbed we can have snubbed you can have snubbed they can have snubbed
V-ing perfect
I can have been snubbing you can have been snubbing he can have been snubbing we can have been snubbing you can have been snubbing they can have been snubbing
Negation
Simple form
I can't snub you can't snub he can't snub we can't snub you can't snub they can't snub
V-ing form
I can't be snubbing you can't be snubbing he can't be snubbing we can't be snubbing you can't be snubbing they can't be snubbing
Perfect
I can't have snubbed you can't have snubbed he can't have snubbed we can't have snubbed you can't have snubbed they can't have snubbed
V-ing perfect
I can't have been snubbing you can't have been snubbing he can't have been snubbing we can't have been snubbing you can't have been snubbing they can't have been snubbing
Interrogative form
Simple form
can I snub? can you snub? can he snub? can we snub? can you snub? can they snub?
V-ing form
can I be snubbing? can you be snubbing? can he be snubbing? can we be snubbing? can you be snubbing? can they be snubbing?
Perfect
can I have snubbed? can you have snubbed? can he have snubbed? can we have snubbed? can you have snubbed? can they have snubbed?
V-ing perfect
can I have been snubbing? can you have been snubbing? can he have been snubbing? can we have been snubbing? can you have been snubbing? can they have been snubbing?
Interro-negative form
Simple form
can't I snub? can't you snub? can't he snub? can't we snub? can't you snub? can't they snub?
V-ing form
can't I be snubbing? can't you be snubbing? can't he be snubbing? can't we be snubbing? can't you be snubbing? can't they be snubbing?
Perfect
can't I have snubbed? can't you have snubbed? can't he have snubbed? can't we have snubbed? can't you have snubbed? can't they have snubbed?
V-ing perfect
can't I have been snubbing? can't you have been snubbing? can't he have been snubbing? can't we have been snubbing? can't you have been snubbing? can't they have been snubbing?