English verb conjugation
COULD DISCREDIT

Regular verb: discredit - discredited - discredited

Affirmation

Simple form	V-ing form
I could discredit you could discredit he could discredit we could discredit you could discredit they could discredit	I could be discrediting you could be discrediting he 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 he 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 he 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 he 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 he 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 he 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 he 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 he discredit? could we discredit? could you discredit? could they discredit?	could I be discrediting? could you be discrediting? could he 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 he 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 he 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 he 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 he 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 he 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 he have been discrediting? couldn't we have been discrediting? couldn't you have been discrediting? couldn't they have been discrediting?