I can backcomb you can backcomb she can backcomb we can backcomb you can backcomb they can backcomb
V-ing form
I can be backcombing you can be backcombing she can be backcombing we can be backcombing you can be backcombing they can be backcombing
Perfect
I can have backcombed you can have backcombed she 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 she 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 she 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 she 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 she 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 she 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 she backcomb? can we backcomb? can you backcomb? can they backcomb?
V-ing form
can I be backcombing? can you be backcombing? can she be backcombing? can we be backcombing? can you be backcombing? can they be backcombing?
Perfect
can I have backcombed? can you have backcombed? can she 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 she 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 she 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 she 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 she 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 she have been backcombing? can't we have been backcombing? can't you have been backcombing? can't they have been backcombing?