could discredit
Regular verb: discredit - discredited- discredited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could discredit
you could discredit
she could discredit
we could discredit
you could discredit
they could discredit 	I could be discrediting
you could be discrediting
she could be discrediting
we could be discrediting
you could be discrediting
they could be discrediting	I could have discredited
you could have discredited
she could have discredited
we could have discredited
you could have discredited
they could have discredited	I could have been discrediting
you could have been discrediting
she could have been discrediting
we could have been discrediting
you could have been discrediting
they could have been discrediting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not discredit
you could not discredit
she could not discredit
we could not discredit
you could not discredit
they could not discredit 	I could not be discrediting
you could not be discrediting
she could not be discrediting
we could not be discrediting
you could not be discrediting
they could not be discrediting	I could not have discredited
you could not have discredited
she could not have discredited
we could not have discredited
you could not have discredited
they could not have discredited	I could not have been discrediting
you could not have been discrediting
she could not have been discrediting
we could not have been discrediting
you could not have been discrediting
they could not have been discrediting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I discredit?
could you discredit?
could she discredit?
could we discredit?
could you discredit?
could they discredit? 	could I be discrediting?
could you be discrediting?
could she be discrediting?
could we be discrediting?
could you be discrediting?
could they be discrediting? 	could I have discredited?
could you have discredited?
could she have discredited?
could we have discredited?
could you have discredited?
could they have discredited? 	could I have been discrediting?
could you have been discrediting?
could she have been discrediting?
could we have been discrediting?
could you have been discrediting?
could they have been discrediting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not discredit?
could you not discredit?
could she not discredit?
could we not discredit?
could you not discredit?
could they not discredit? 	could I not be discrediting?
could you not be discrediting?
could she not be discrediting?
could we not be discrediting?
could you not be discrediting?
could they not be discrediting? 	could I not have discredited?
could you not have discredited?
could she not have discredited?
could we not have discredited?
could you not have discredited?
could they not have discredited? 	could I not have been discrediting?
could you not have been discrediting?
could she not have been discrediting?
could we not have been discrediting?
could you not have been discrediting?
could they not have been discrediting?