English verb conjugation
CAN CROSS-INDEX

Regular verb: cross-index - cross-indexed - cross-indexed

Affirmation

Simple form	V-ing form
I can cross-index you can cross-index he can cross-index we can cross-index you can cross-index they can cross-index	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	V-ing 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	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	V-ing form
I can't cross-index you can't cross-index he can't cross-index we can't cross-index you can't cross-index they can't cross-index	I can't be cross-indexing you can't be cross-indexing he can't be cross-indexing we can't be cross-indexing you can't be cross-indexing they can't be cross-indexing
Perfect	V-ing perfect
I can't have cross-indexed you can't have cross-indexed he can't have cross-indexed we can't have cross-indexed you can't have cross-indexed they can't have cross-indexed	I can't have been cross-indexing you can't have been cross-indexing he can't have been cross-indexing we can't have been cross-indexing you can't have been cross-indexing they can't have been cross-indexing

Interrogative form

Simple form	V-ing 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?	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	V-ing 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?	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	V-ing form
can't I cross-index? can't you cross-index? can't he cross-index? can't we cross-index? can't you cross-index? can't they cross-index?	can't I be cross-indexing? can't you be cross-indexing? can't he be cross-indexing? can't we be cross-indexing? can't you be cross-indexing? can't they be cross-indexing?
Perfect	V-ing perfect
can't I have cross-indexed? can't you have cross-indexed? can't he have cross-indexed? can't we have cross-indexed? can't you have cross-indexed? can't they have cross-indexed?	can't I have been cross-indexing? can't you have been cross-indexing? can't he have been cross-indexing? can't we have been cross-indexing? can't you have been cross-indexing? can't they have been cross-indexing?