I can repair you can repair she can repair we can repair you can repair they can repair
V-ing form
I can be repairing you can be repairing she can be repairing we can be repairing you can be repairing they can be repairing
Perfect
I can have repaired you can have repaired she 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 she can have been repairing we can have been repairing you can have been repairing they can have been repairing
Negation
Simple form
I cannot repair you cannot repair she cannot repair we cannot repair you cannot repair they cannot repair
V-ing form
I cannot be repairing you cannot be repairing she cannot be repairing we cannot be repairing you cannot be repairing they cannot be repairing
Perfect
I cannot have repaired you cannot have repaired she cannot have repaired we cannot have repaired you cannot have repaired they cannot have repaired
V-ing perfect
I cannot have been repairing you cannot have been repairing she cannot have been repairing we cannot have been repairing you cannot have been repairing they cannot have been repairing
Interrogative form
Simple form
can I repair? can you repair? can she repair? can we repair? can you repair? can they repair?
V-ing form
can I be repairing? can you be repairing? can she be repairing? can we be repairing? can you be repairing? can they be repairing?
Perfect
can I have repaired? can you have repaired? can she 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 she have been repairing? can we have been repairing? can you have been repairing? can they have been repairing?
Interro-negative form
Simple form
can I not repair? can you not repair? can she not repair? can we not repair? can you not repair? can they not repair?
V-ing form
can I not be repairing? can you not be repairing? can she not be repairing? can we not be repairing? can you not be repairing? can they not be repairing?
Perfect
can I not have repaired? can you not have repaired? can she not have repaired? can we not have repaired? can you not have repaired? can they not have repaired?
V-ing perfect
can I not have been repairing? can you not have been repairing? can she not have been repairing? can we not have been repairing? can you not have been repairing? can they not have been repairing?