I can repair you can repair he can repair we can repair you can repair they can repair
V-ing form
I can be repairing you can be repairing he can be repairing we can be repairing you can be repairing they can be repairing
Perfect
I can have repaired you can have repaired he can have repaired we can have repaired you can have repaired they can have repaired
V-ing perfect
I can have been repairing you can have been repairing he can have been repairing we can have been repairing you can have been repairing they can have been repairing
Negation
Simple form
I can't repair you can't repair he can't repair we can't repair you can't repair they can't repair
V-ing form
I can't be repairing you can't be repairing he can't be repairing we can't be repairing you can't be repairing they can't be repairing
Perfect
I can't have repaired you can't have repaired he can't have repaired we can't have repaired you can't have repaired they can't have repaired
V-ing perfect
I can't have been repairing you can't have been repairing he can't have been repairing we can't have been repairing you can't have been repairing they can't have been repairing
Interrogative form
Simple form
can I repair? can you repair? can he repair? can we repair? can you repair? can they repair?
V-ing form
can I be repairing? can you be repairing? can he be repairing? can we be repairing? can you be repairing? can they be repairing?
Perfect
can I have repaired? can you have repaired? can he have repaired? can we have repaired? can you have repaired? can they have repaired?
V-ing perfect
can I have been repairing? can you have been repairing? can he have been repairing? can we have been repairing? can you have been repairing? can they have been repairing?
Interro-negative form
Simple form
can't I repair? can't you repair? can't he repair? can't we repair? can't you repair? can't they repair?
V-ing form
can't I be repairing? can't you be repairing? can't he be repairing? can't we be repairing? can't you be repairing? can't they be repairing?
Perfect
can't I have repaired? can't you have repaired? can't he have repaired? can't we have repaired? can't you have repaired? can't they have repaired?
V-ing perfect
can't I have been repairing? can't you have been repairing? can't he have been repairing? can't we have been repairing? can't you have been repairing? can't they have been repairing?