I can cross-index you can cross-index he can cross-index we can cross-index you can cross-index they can cross-index
V-ing form
I can be cross-indexing you can be cross-indexing he can be cross-indexing we can be cross-indexing you can be cross-indexing they can be cross-indexing
Perfect
I can have cross-indexed you can have cross-indexed he can have cross-indexed we can have cross-indexed you can have cross-indexed they can have cross-indexed
V-ing perfect
I can have been cross-indexing you can have been cross-indexing he can have been cross-indexing we can have been cross-indexing you can have been cross-indexing they can have been cross-indexing
Negation
Simple form
I cannot cross-index you cannot cross-index he cannot cross-index we cannot cross-index you cannot cross-index they cannot cross-index
V-ing form
I cannot be cross-indexing you cannot be cross-indexing he cannot be cross-indexing we cannot be cross-indexing you cannot be cross-indexing they cannot be cross-indexing
Perfect
I cannot have cross-indexed you cannot have cross-indexed he cannot have cross-indexed we cannot have cross-indexed you cannot have cross-indexed they cannot have cross-indexed
V-ing perfect
I cannot have been cross-indexing you cannot have been cross-indexing he cannot have been cross-indexing we cannot have been cross-indexing you cannot have been cross-indexing they cannot have been cross-indexing
Interrogative form
Simple form
can I cross-index? can you cross-index? can he cross-index? can we cross-index? can you cross-index? can they cross-index?
V-ing form
can I be cross-indexing? can you be cross-indexing? can he be cross-indexing? can we be cross-indexing? can you be cross-indexing? can they be cross-indexing?
Perfect
can I have cross-indexed? can you have cross-indexed? can he have cross-indexed? can we have cross-indexed? can you have cross-indexed? can they have cross-indexed?
V-ing perfect
can I have been cross-indexing? can you have been cross-indexing? can he have been cross-indexing? can we have been cross-indexing? can you have been cross-indexing? can they have been cross-indexing?
Interro-negative form
Simple form
can I not cross-index? can you not cross-index? can he not cross-index? can we not cross-index? can you not cross-index? can they not cross-index?
V-ing form
can I not be cross-indexing? can you not be cross-indexing? can he not be cross-indexing? can we not be cross-indexing? can you not be cross-indexing? can they not be cross-indexing?
Perfect
can I not have cross-indexed? can you not have cross-indexed? can he not have cross-indexed? can we not have cross-indexed? can you not have cross-indexed? can they not have cross-indexed?
V-ing perfect
can I not have been cross-indexing? can you not have been cross-indexing? can he not have been cross-indexing? can we not have been cross-indexing? can you not have been cross-indexing? can they not have been cross-indexing?