English verb conjugation
COULD DISCREDIT

Regular verb: discredit - discredited - discredited

Affirmation

Simple form	V-ing form
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
Perfect	V-ing 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	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
I couldn't discredit you couldn't discredit she couldn't discredit we couldn't discredit you couldn't discredit they couldn't discredit	I couldn't be discrediting you couldn't be discrediting she couldn't be discrediting we couldn't be discrediting you couldn't be discrediting they couldn't be discrediting
Perfect	V-ing perfect
I couldn't have discredited you couldn't have discredited she couldn't have discredited we couldn't have discredited you couldn't have discredited they couldn't have discredited	I couldn't have been discrediting you couldn't have been discrediting she couldn't have been discrediting we couldn't have been discrediting you couldn't have been discrediting they couldn't have been discrediting

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing 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?	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
couldn't I discredit? couldn't you discredit? couldn't she discredit? couldn't we discredit? couldn't you discredit? couldn't they discredit?	couldn't I be discrediting? couldn't you be discrediting? couldn't she be discrediting? couldn't we be discrediting? couldn't you be discrediting? couldn't they be discrediting?
Perfect	V-ing perfect
couldn't I have discredited? couldn't you have discredited? couldn't she have discredited? couldn't we have discredited? couldn't you have discredited? couldn't they have discredited?	couldn't I have been discrediting? couldn't you have been discrediting? couldn't she have been discrediting? couldn't we have been discrediting? couldn't you have been discrediting? couldn't they have been discrediting?