must spawn
Verbo regular: spawn - spawned- spawned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must spawn
you must spawn
she must spawn
we must spawn
you must spawn
they must spawn 	I must be spawning
you must be spawning
she must be spawning
we must be spawning
you must be spawning
they must be spawning	I must have spawned
you must have spawned
she must have spawned
we must have spawned
you must have spawned
they must have spawned	I must have been spawning
you must have been spawning
she must have been spawning
we must have been spawning
you must have been spawning
they must have been spawning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't spawn
you mustn't spawn
she mustn't spawn
we mustn't spawn
you mustn't spawn
they mustn't spawn 	I mustn't be spawning
you mustn't be spawning
she mustn't be spawning
we mustn't be spawning
you mustn't be spawning
they mustn't be spawning	I mustn't have spawned
you mustn't have spawned
she mustn't have spawned
we mustn't have spawned
you mustn't have spawned
they mustn't have spawned	I mustn't have been spawning
you mustn't have been spawning
she mustn't have been spawning
we mustn't have been spawning
you mustn't have been spawning
they mustn't have been spawning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I spawn?
must you spawn?
must she spawn?
must we spawn?
must you spawn?
must they spawn? 	must I be spawning?
must you be spawning?
must she be spawning?
must we be spawning?
must you be spawning?
must they be spawning? 	must I have spawned?
must you have spawned?
must she have spawned?
must we have spawned?
must you have spawned?
must they have spawned? 	must I have been spawning?
must you have been spawning?
must she have been spawning?
must we have been spawning?
must you have been spawning?
must they have been spawning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I spawn?
mustn't you spawn?
mustn't she spawn?
mustn't we spawn?
mustn't you spawn?
mustn't they spawn? 	mustn't I be spawning?
mustn't you be spawning?
mustn't she be spawning?
mustn't we be spawning?
mustn't you be spawning?
mustn't they be spawning? 	mustn't I have spawned?
mustn't you have spawned?
mustn't she have spawned?
mustn't we have spawned?
mustn't you have spawned?
mustn't they have spawned? 	mustn't I have been spawning?
mustn't you have been spawning?
mustn't she have been spawning?
mustn't we have been spawning?
mustn't you have been spawning?
mustn't they have been spawning?