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