may card-index
Regular verb: card-index - card-indexed- card-indexed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may card-index
you may card-index
he may card-index
we may card-index
you may card-index
they may card-index 	I may be card-indexing
you may be card-indexing
he may be card-indexing
we may be card-indexing
you may be card-indexing
they may be card-indexing	I may have card-indexed
you may have card-indexed
he may have card-indexed
we may have card-indexed
you may have card-indexed
they may have card-indexed	I may have been card-indexing
you may have been card-indexing
he may have been card-indexing
we may have been card-indexing
you may have been card-indexing
they may have been card-indexing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not card-index
you may not card-index
he may not card-index
we may not card-index
you may not card-index
they may not card-index 	I may not be card-indexing
you may not be card-indexing
he may not be card-indexing
we may not be card-indexing
you may not be card-indexing
they may not be card-indexing	I may not have card-indexed
you may not have card-indexed
he may not have card-indexed
we may not have card-indexed
you may not have card-indexed
they may not have card-indexed	I may not have been card-indexing
you may not have been card-indexing
he may not have been card-indexing
we may not have been card-indexing
you may not have been card-indexing
they may not have been card-indexing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I card-index?
may you card-index?
may he card-index?
may we card-index?
may you card-index?
may they card-index? 	may I be card-indexing?
may you be card-indexing?
may he be card-indexing?
may we be card-indexing?
may you be card-indexing?
may they be card-indexing? 	may I have card-indexed?
may you have card-indexed?
may he have card-indexed?
may we have card-indexed?
may you have card-indexed?
may they have card-indexed? 	may I have been card-indexing?
may you have been card-indexing?
may he have been card-indexing?
may we have been card-indexing?
may you have been card-indexing?
may they have been card-indexing? 	

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