must spin
Verbo irregolare: spin - spun- spun

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must spin
you must spin
he must spin
we must spin
you must spin
they must spin 	I must be spinning
you must be spinning
he must be spinning
we must be spinning
you must be spinning
they must be spinning	I must have spun
you must have spun
he must have spun
we must have spun
you must have spun
they must have spun	I must have been spinning
you must have been spinning
he must have been spinning
we must have been spinning
you must have been spinning
they must have been spinning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't spin
you mustn't spin
he mustn't spin
we mustn't spin
you mustn't spin
they mustn't spin 	I mustn't be spinning
you mustn't be spinning
he mustn't be spinning
we mustn't be spinning
you mustn't be spinning
they mustn't be spinning	I mustn't have spun
you mustn't have spun
he mustn't have spun
we mustn't have spun
you mustn't have spun
they mustn't have spun	I mustn't have been spinning
you mustn't have been spinning
he mustn't have been spinning
we mustn't have been spinning
you mustn't have been spinning
they mustn't have been spinning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I spin?
must you spin?
must he spin?
must we spin?
must you spin?
must they spin? 	must I be spinning?
must you be spinning?
must he be spinning?
must we be spinning?
must you be spinning?
must they be spinning? 	must I have spun?
must you have spun?
must he have spun?
must we have spun?
must you have spun?
must they have spun? 	must I have been spinning?
must you have been spinning?
must he have been spinning?
must we have been spinning?
must you have been spinning?
must they have been spinning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I spin?
mustn't you spin?
mustn't he spin?
mustn't we spin?
mustn't you spin?
mustn't they spin? 	mustn't I be spinning?
mustn't you be spinning?
mustn't he be spinning?
mustn't we be spinning?
mustn't you be spinning?
mustn't they be spinning? 	mustn't I have spun?
mustn't you have spun?
mustn't he have spun?
mustn't we have spun?
mustn't you have spun?
mustn't they have spun? 	mustn't I have been spinning?
mustn't you have been spinning?
mustn't he have been spinning?
mustn't we have been spinning?
mustn't you have been spinning?
mustn't they have been spinning?