must spiel
Regular verb: spiel - spieled- spieled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must spiel
you must spiel
she must spiel
we must spiel
you must spiel
they must spiel 	I must be spieling
you must be spieling
she must be spieling
we must be spieling
you must be spieling
they must be spieling	I must have spieled
you must have spieled
she must have spieled
we must have spieled
you must have spieled
they must have spieled	I must have been spieling
you must have been spieling
she must have been spieling
we must have been spieling
you must have been spieling
they must have been spieling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't spiel
you mustn't spiel
she mustn't spiel
we mustn't spiel
you mustn't spiel
they mustn't spiel 	I mustn't be spieling
you mustn't be spieling
she mustn't be spieling
we mustn't be spieling
you mustn't be spieling
they mustn't be spieling	I mustn't have spieled
you mustn't have spieled
she mustn't have spieled
we mustn't have spieled
you mustn't have spieled
they mustn't have spieled	I mustn't have been spieling
you mustn't have been spieling
she mustn't have been spieling
we mustn't have been spieling
you mustn't have been spieling
they mustn't have been spieling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I spiel?
must you spiel?
must she spiel?
must we spiel?
must you spiel?
must they spiel? 	must I be spieling?
must you be spieling?
must she be spieling?
must we be spieling?
must you be spieling?
must they be spieling? 	must I have spieled?
must you have spieled?
must she have spieled?
must we have spieled?
must you have spieled?
must they have spieled? 	must I have been spieling?
must you have been spieling?
must she have been spieling?
must we have been spieling?
must you have been spieling?
must they have been spieling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I spiel?
mustn't you spiel?
mustn't she spiel?
mustn't we spiel?
mustn't you spiel?
mustn't they spiel? 	mustn't I be spieling?
mustn't you be spieling?
mustn't she be spieling?
mustn't we be spieling?
mustn't you be spieling?
mustn't they be spieling? 	mustn't I have spieled?
mustn't you have spieled?
mustn't she have spieled?
mustn't we have spieled?
mustn't you have spieled?
mustn't they have spieled? 	mustn't I have been spieling?
mustn't you have been spieling?
mustn't she have been spieling?
mustn't we have been spieling?
mustn't you have been spieling?
mustn't they have been spieling?