must impoverish
Verbo regular: impoverish - impoverished- impoverished

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must impoverish
you must impoverish
he must impoverish
we must impoverish
you must impoverish
they must impoverish 	I must be impoverishing
you must be impoverishing
he must be impoverishing
we must be impoverishing
you must be impoverishing
they must be impoverishing	I must have impoverished
you must have impoverished
he must have impoverished
we must have impoverished
you must have impoverished
they must have impoverished	I must have been impoverishing
you must have been impoverishing
he must have been impoverishing
we must have been impoverishing
you must have been impoverishing
they must have been impoverishing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not impoverish
you must not impoverish
he must not impoverish
we must not impoverish
you must not impoverish
they must not impoverish 	I must not be impoverishing
you must not be impoverishing
he must not be impoverishing
we must not be impoverishing
you must not be impoverishing
they must not be impoverishing	I must not have impoverished
you must not have impoverished
he must not have impoverished
we must not have impoverished
you must not have impoverished
they must not have impoverished	I must not have been impoverishing
you must not have been impoverishing
he must not have been impoverishing
we must not have been impoverishing
you must not have been impoverishing
they must not have been impoverishing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I impoverish?
must you impoverish?
must he impoverish?
must we impoverish?
must you impoverish?
must they impoverish? 	must I be impoverishing?
must you be impoverishing?
must he be impoverishing?
must we be impoverishing?
must you be impoverishing?
must they be impoverishing? 	must I have impoverished?
must you have impoverished?
must he have impoverished?
must we have impoverished?
must you have impoverished?
must they have impoverished? 	must I have been impoverishing?
must you have been impoverishing?
must he have been impoverishing?
must we have been impoverishing?
must you have been impoverishing?
must they have been impoverishing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not impoverish?
must you not impoverish?
must he not impoverish?
must we not impoverish?
must you not impoverish?
must they not impoverish? 	must I not be impoverishing?
must you not be impoverishing?
must he not be impoverishing?
must we not be impoverishing?
must you not be impoverishing?
must they not be impoverishing? 	must I not have impoverished?
must you not have impoverished?
must he not have impoverished?
must we not have impoverished?
must you not have impoverished?
must they not have impoverished? 	must I not have been impoverishing?
must you not have been impoverishing?
must he not have been impoverishing?
must we not have been impoverishing?
must you not have been impoverishing?
must they not have been impoverishing?