I can attribute you can attribute he can attribute we can attribute you can attribute they can attribute
V-ing form
I can be attributing you can be attributing he can be attributing we can be attributing you can be attributing they can be attributing
Perfect
I can have attributed you can have attributed he can have attributed we can have attributed you can have attributed they can have attributed
V-ing perfect
I can have been attributing you can have been attributing he can have been attributing we can have been attributing you can have been attributing they can have been attributing
Negation
Simple form
I cannot attribute you cannot attribute he cannot attribute we cannot attribute you cannot attribute they cannot attribute
V-ing form
I cannot be attributing you cannot be attributing he cannot be attributing we cannot be attributing you cannot be attributing they cannot be attributing
Perfect
I cannot have attributed you cannot have attributed he cannot have attributed we cannot have attributed you cannot have attributed they cannot have attributed
V-ing perfect
I cannot have been attributing you cannot have been attributing he cannot have been attributing we cannot have been attributing you cannot have been attributing they cannot have been attributing
Interrogative form
Simple form
can I attribute? can you attribute? can he attribute? can we attribute? can you attribute? can they attribute?
V-ing form
can I be attributing? can you be attributing? can he be attributing? can we be attributing? can you be attributing? can they be attributing?
Perfect
can I have attributed? can you have attributed? can he have attributed? can we have attributed? can you have attributed? can they have attributed?
V-ing perfect
can I have been attributing? can you have been attributing? can he have been attributing? can we have been attributing? can you have been attributing? can they have been attributing?
Interro-negative form
Simple form
can I not attribute? can you not attribute? can he not attribute? can we not attribute? can you not attribute? can they not attribute?
V-ing form
can I not be attributing? can you not be attributing? can he not be attributing? can we not be attributing? can you not be attributing? can they not be attributing?
Perfect
can I not have attributed? can you not have attributed? can he not have attributed? can we not have attributed? can you not have attributed? can they not have attributed?
V-ing perfect
can I not have been attributing? can you not have been attributing? can he not have been attributing? can we not have been attributing? can you not have been attributing? can they not have been attributing?