must exhaust
Verbo regular: exhaust - exhausted- exhausted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must exhaust
you must exhaust
he must exhaust
we must exhaust
you must exhaust
they must exhaust 	I must be exhausting
you must be exhausting
he must be exhausting
we must be exhausting
you must be exhausting
they must be exhausting	I must have exhausted
you must have exhausted
he must have exhausted
we must have exhausted
you must have exhausted
they must have exhausted	I must have been exhausting
you must have been exhausting
he must have been exhausting
we must have been exhausting
you must have been exhausting
they must have been exhausting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not exhaust
you must not exhaust
he must not exhaust
we must not exhaust
you must not exhaust
they must not exhaust 	I must not be exhausting
you must not be exhausting
he must not be exhausting
we must not be exhausting
you must not be exhausting
they must not be exhausting	I must not have exhausted
you must not have exhausted
he must not have exhausted
we must not have exhausted
you must not have exhausted
they must not have exhausted	I must not have been exhausting
you must not have been exhausting
he must not have been exhausting
we must not have been exhausting
you must not have been exhausting
they must not have been exhausting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I exhaust?
must you exhaust?
must he exhaust?
must we exhaust?
must you exhaust?
must they exhaust? 	must I be exhausting?
must you be exhausting?
must he be exhausting?
must we be exhausting?
must you be exhausting?
must they be exhausting? 	must I have exhausted?
must you have exhausted?
must he have exhausted?
must we have exhausted?
must you have exhausted?
must they have exhausted? 	must I have been exhausting?
must you have been exhausting?
must he have been exhausting?
must we have been exhausting?
must you have been exhausting?
must they have been exhausting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not exhaust?
must you not exhaust?
must he not exhaust?
must we not exhaust?
must you not exhaust?
must they not exhaust? 	must I not be exhausting?
must you not be exhausting?
must he not be exhausting?
must we not be exhausting?
must you not be exhausting?
must they not be exhausting? 	must I not have exhausted?
must you not have exhausted?
must he not have exhausted?
must we not have exhausted?
must you not have exhausted?
must they not have exhausted? 	must I not have been exhausting?
must you not have been exhausting?
must he not have been exhausting?
must we not have been exhausting?
must you not have been exhausting?
must they not have been exhausting?