must spawn
Verbo regular: spawn - spawned- spawned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must spawn
you must spawn
he must spawn
we must spawn
you must spawn
they must spawn 	I must be spawning
you must be spawning
he must be spawning
we must be spawning
you must be spawning
they must be spawning	I must have spawned
you must have spawned
he 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
he must have been spawning
we must have been spawning
you must have been spawning
they must have been spawning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't spawn
you mustn't spawn
he 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
he 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
he 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
he 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
must I spawn?
must you spawn?
must he spawn?
must we spawn?
must you spawn?
must they spawn? 	must I be spawning?
must you be spawning?
must he be spawning?
must we be spawning?
must you be spawning?
must they be spawning? 	must I have spawned?
must you have spawned?
must he 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 he have been spawning?
must we have been spawning?
must you have been spawning?
must they have been spawning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I spawn?
mustn't you spawn?
mustn't he 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 he 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 he 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 he have been spawning?
mustn't we have been spawning?
mustn't you have been spawning?
mustn't they have been spawning?