must cane
Regular verb: cane - caned- caned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cane
you must cane
he must cane
we must cane
you must cane
they must cane 	I must be caning
you must be caning
he must be caning
we must be caning
you must be caning
they must be caning	I must have caned
you must have caned
he must have caned
we must have caned
you must have caned
they must have caned	I must have been caning
you must have been caning
he must have been caning
we must have been caning
you must have been caning
they must have been caning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't cane
you mustn't cane
he mustn't cane
we mustn't cane
you mustn't cane
they mustn't cane 	I mustn't be caning
you mustn't be caning
he mustn't be caning
we mustn't be caning
you mustn't be caning
they mustn't be caning	I mustn't have caned
you mustn't have caned
he mustn't have caned
we mustn't have caned
you mustn't have caned
they mustn't have caned	I mustn't have been caning
you mustn't have been caning
he mustn't have been caning
we mustn't have been caning
you mustn't have been caning
they mustn't have been caning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I cane?
must you cane?
must he cane?
must we cane?
must you cane?
must they cane? 	must I be caning?
must you be caning?
must he be caning?
must we be caning?
must you be caning?
must they be caning? 	must I have caned?
must you have caned?
must he have caned?
must we have caned?
must you have caned?
must they have caned? 	must I have been caning?
must you have been caning?
must he have been caning?
must we have been caning?
must you have been caning?
must they have been caning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I cane?
mustn't you cane?
mustn't he cane?
mustn't we cane?
mustn't you cane?
mustn't they cane? 	mustn't I be caning?
mustn't you be caning?
mustn't he be caning?
mustn't we be caning?
mustn't you be caning?
mustn't they be caning? 	mustn't I have caned?
mustn't you have caned?
mustn't he have caned?
mustn't we have caned?
mustn't you have caned?
mustn't they have caned? 	mustn't I have been caning?
mustn't you have been caning?
mustn't he have been caning?
mustn't we have been caning?
mustn't you have been caning?
mustn't they have been caning?