must card-index
Regular verb: card-index - card-indexed- card-indexed

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

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

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

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