must immerse
Verbo regular: immerse - immersed- immersed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must immerse
you must immerse
he must immerse
we must immerse
you must immerse
they must immerse 	I must be immersing
you must be immersing
he must be immersing
we must be immersing
you must be immersing
they must be immersing	I must have immersed
you must have immersed
he must have immersed
we must have immersed
you must have immersed
they must have immersed	I must have been immersing
you must have been immersing
he must have been immersing
we must have been immersing
you must have been immersing
they must have been immersing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't immerse
you mustn't immerse
he mustn't immerse
we mustn't immerse
you mustn't immerse
they mustn't immerse 	I mustn't be immersing
you mustn't be immersing
he mustn't be immersing
we mustn't be immersing
you mustn't be immersing
they mustn't be immersing	I mustn't have immersed
you mustn't have immersed
he mustn't have immersed
we mustn't have immersed
you mustn't have immersed
they mustn't have immersed	I mustn't have been immersing
you mustn't have been immersing
he mustn't have been immersing
we mustn't have been immersing
you mustn't have been immersing
they mustn't have been immersing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I immerse?
must you immerse?
must he immerse?
must we immerse?
must you immerse?
must they immerse? 	must I be immersing?
must you be immersing?
must he be immersing?
must we be immersing?
must you be immersing?
must they be immersing? 	must I have immersed?
must you have immersed?
must he have immersed?
must we have immersed?
must you have immersed?
must they have immersed? 	must I have been immersing?
must you have been immersing?
must he have been immersing?
must we have been immersing?
must you have been immersing?
must they have been immersing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I immerse?
mustn't you immerse?
mustn't he immerse?
mustn't we immerse?
mustn't you immerse?
mustn't they immerse? 	mustn't I be immersing?
mustn't you be immersing?
mustn't he be immersing?
mustn't we be immersing?
mustn't you be immersing?
mustn't they be immersing? 	mustn't I have immersed?
mustn't you have immersed?
mustn't he have immersed?
mustn't we have immersed?
mustn't you have immersed?
mustn't they have immersed? 	mustn't I have been immersing?
mustn't you have been immersing?
mustn't he have been immersing?
mustn't we have been immersing?
mustn't you have been immersing?
mustn't they have been immersing?