I can unhair you can unhair he can unhair we can unhair you can unhair they can unhair
V-ing form
I can be unhairing you can be unhairing he can be unhairing we can be unhairing you can be unhairing they can be unhairing
Perfect
I can have unhaired you can have unhaired he can have unhaired we can have unhaired you can have unhaired they can have unhaired
V-ing perfect
I can have been unhairing you can have been unhairing he can have been unhairing we can have been unhairing you can have been unhairing they can have been unhairing
Negation
Simple form
I can't unhair you can't unhair he can't unhair we can't unhair you can't unhair they can't unhair
V-ing form
I can't be unhairing you can't be unhairing he can't be unhairing we can't be unhairing you can't be unhairing they can't be unhairing
Perfect
I can't have unhaired you can't have unhaired he can't have unhaired we can't have unhaired you can't have unhaired they can't have unhaired
V-ing perfect
I can't have been unhairing you can't have been unhairing he can't have been unhairing we can't have been unhairing you can't have been unhairing they can't have been unhairing
Interrogative form
Simple form
can I unhair? can you unhair? can he unhair? can we unhair? can you unhair? can they unhair?
V-ing form
can I be unhairing? can you be unhairing? can he be unhairing? can we be unhairing? can you be unhairing? can they be unhairing?
Perfect
can I have unhaired? can you have unhaired? can he have unhaired? can we have unhaired? can you have unhaired? can they have unhaired?
V-ing perfect
can I have been unhairing? can you have been unhairing? can he have been unhairing? can we have been unhairing? can you have been unhairing? can they have been unhairing?
Interro-negative form
Simple form
can't I unhair? can't you unhair? can't he unhair? can't we unhair? can't you unhair? can't they unhair?
V-ing form
can't I be unhairing? can't you be unhairing? can't he be unhairing? can't we be unhairing? can't you be unhairing? can't they be unhairing?
Perfect
can't I have unhaired? can't you have unhaired? can't he have unhaired? can't we have unhaired? can't you have unhaired? can't they have unhaired?
V-ing perfect
can't I have been unhairing? can't you have been unhairing? can't he have been unhairing? can't we have been unhairing? can't you have been unhairing? can't they have been unhairing?