must sand-cast
Regular verb: sand-cast - sand-casted- sand-casted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sand-cast
you must sand-cast
he must sand-cast
we must sand-cast
you must sand-cast
they must sand-cast 	I must be sand-casting
you must be sand-casting
he must be sand-casting
we must be sand-casting
you must be sand-casting
they must be sand-casting	I must have sand-casted
you must have sand-casted
he must have sand-casted
we must have sand-casted
you must have sand-casted
they must have sand-casted	I must have been sand-casting
you must have been sand-casting
he must have been sand-casting
we must have been sand-casting
you must have been sand-casting
they must have been sand-casting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't sand-cast
you mustn't sand-cast
he mustn't sand-cast
we mustn't sand-cast
you mustn't sand-cast
they mustn't sand-cast 	I mustn't be sand-casting
you mustn't be sand-casting
he mustn't be sand-casting
we mustn't be sand-casting
you mustn't be sand-casting
they mustn't be sand-casting	I mustn't have sand-casted
you mustn't have sand-casted
he mustn't have sand-casted
we mustn't have sand-casted
you mustn't have sand-casted
they mustn't have sand-casted	I mustn't have been sand-casting
you mustn't have been sand-casting
he mustn't have been sand-casting
we mustn't have been sand-casting
you mustn't have been sand-casting
they mustn't have been sand-casting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sand-cast?
must you sand-cast?
must he sand-cast?
must we sand-cast?
must you sand-cast?
must they sand-cast? 	must I be sand-casting?
must you be sand-casting?
must he be sand-casting?
must we be sand-casting?
must you be sand-casting?
must they be sand-casting? 	must I have sand-casted?
must you have sand-casted?
must he have sand-casted?
must we have sand-casted?
must you have sand-casted?
must they have sand-casted? 	must I have been sand-casting?
must you have been sand-casting?
must he have been sand-casting?
must we have been sand-casting?
must you have been sand-casting?
must they have been sand-casting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I sand-cast?
mustn't you sand-cast?
mustn't he sand-cast?
mustn't we sand-cast?
mustn't you sand-cast?
mustn't they sand-cast? 	mustn't I be sand-casting?
mustn't you be sand-casting?
mustn't he be sand-casting?
mustn't we be sand-casting?
mustn't you be sand-casting?
mustn't they be sand-casting? 	mustn't I have sand-casted?
mustn't you have sand-casted?
mustn't he have sand-casted?
mustn't we have sand-casted?
mustn't you have sand-casted?
mustn't they have sand-casted? 	mustn't I have been sand-casting?
mustn't you have been sand-casting?
mustn't he have been sand-casting?
mustn't we have been sand-casting?
mustn't you have been sand-casting?
mustn't they have been sand-casting?