must fly-cast
Regular verb: fly-cast - fly-casted- fly-casted

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

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

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

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