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