I can backcomb you can backcomb he can backcomb we can backcomb you can backcomb they can backcomb
V-ing form
I can be backcombing you can be backcombing he can be backcombing we can be backcombing you can be backcombing they can be backcombing
Perfect
I can have backcombed you can have backcombed he can have backcombed we can have backcombed you can have backcombed they can have backcombed
V-ing perfect
I can have been backcombing you can have been backcombing he can have been backcombing we can have been backcombing you can have been backcombing they can have been backcombing
Negation
Simple form
I can't backcomb you can't backcomb he can't backcomb we can't backcomb you can't backcomb they can't backcomb
V-ing form
I can't be backcombing you can't be backcombing he can't be backcombing we can't be backcombing you can't be backcombing they can't be backcombing
Perfect
I can't have backcombed you can't have backcombed he can't have backcombed we can't have backcombed you can't have backcombed they can't have backcombed
V-ing perfect
I can't have been backcombing you can't have been backcombing he can't have been backcombing we can't have been backcombing you can't have been backcombing they can't have been backcombing
Interrogative form
Simple form
can I backcomb? can you backcomb? can he backcomb? can we backcomb? can you backcomb? can they backcomb?
V-ing form
can I be backcombing? can you be backcombing? can he be backcombing? can we be backcombing? can you be backcombing? can they be backcombing?
Perfect
can I have backcombed? can you have backcombed? can he have backcombed? can we have backcombed? can you have backcombed? can they have backcombed?
V-ing perfect
can I have been backcombing? can you have been backcombing? can he have been backcombing? can we have been backcombing? can you have been backcombing? can they have been backcombing?
Interro-negative form
Simple form
can't I backcomb? can't you backcomb? can't he backcomb? can't we backcomb? can't you backcomb? can't they backcomb?
V-ing form
can't I be backcombing? can't you be backcombing? can't he be backcombing? can't we be backcombing? can't you be backcombing? can't they be backcombing?
Perfect
can't I have backcombed? can't you have backcombed? can't he have backcombed? can't we have backcombed? can't you have backcombed? can't they have backcombed?
V-ing perfect
can't I have been backcombing? can't you have been backcombing? can't he have been backcombing? can't we have been backcombing? can't you have been backcombing? can't they have been backcombing?