must discredit
Verbo regular: discredit - discredited- discredited

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must discredit
you must discredit
he must discredit
we must discredit
you must discredit
they must discredit 	I must be discrediting
you must be discrediting
he must be discrediting
we must be discrediting
you must be discrediting
they must be discrediting	I must have discredited
you must have discredited
he must have discredited
we must have discredited
you must have discredited
they must have discredited	I must have been discrediting
you must have been discrediting
he must have been discrediting
we must have been discrediting
you must have been discrediting
they must have been discrediting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not discredit
you must not discredit
he must not discredit
we must not discredit
you must not discredit
they must not discredit 	I must not be discrediting
you must not be discrediting
he must not be discrediting
we must not be discrediting
you must not be discrediting
they must not be discrediting	I must not have discredited
you must not have discredited
he must not have discredited
we must not have discredited
you must not have discredited
they must not have discredited	I must not have been discrediting
you must not have been discrediting
he must not have been discrediting
we must not have been discrediting
you must not have been discrediting
they must not have been discrediting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I discredit?
must you discredit?
must he discredit?
must we discredit?
must you discredit?
must they discredit? 	must I be discrediting?
must you be discrediting?
must he be discrediting?
must we be discrediting?
must you be discrediting?
must they be discrediting? 	must I have discredited?
must you have discredited?
must he have discredited?
must we have discredited?
must you have discredited?
must they have discredited? 	must I have been discrediting?
must you have been discrediting?
must he have been discrediting?
must we have been discrediting?
must you have been discrediting?
must they have been discrediting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not discredit?
must you not discredit?
must he not discredit?
must we not discredit?
must you not discredit?
must they not discredit? 	must I not be discrediting?
must you not be discrediting?
must he not be discrediting?
must we not be discrediting?
must you not be discrediting?
must they not be discrediting? 	must I not have discredited?
must you not have discredited?
must he not have discredited?
must we not have discredited?
must you not have discredited?
must they not have discredited? 	must I not have been discrediting?
must you not have been discrediting?
must he not have been discrediting?
must we not have been discrediting?
must you not have been discrediting?
must they not have been discrediting?