I can discredit you can discredit she can discredit we can discredit you can discredit they can discredit
V-ing form
I can be discrediting you can be discrediting she can be discrediting we can be discrediting you can be discrediting they can be discrediting
Perfect
I can have discredited you can have discredited she can have discredited we can have discredited you can have discredited they can have discredited
V-ing perfect
I can have been discrediting you can have been discrediting she can have been discrediting we can have been discrediting you can have been discrediting they can have been discrediting
Negation
Simple form
I can't discredit you can't discredit she can't discredit we can't discredit you can't discredit they can't discredit
V-ing form
I can't be discrediting you can't be discrediting she can't be discrediting we can't be discrediting you can't be discrediting they can't be discrediting
Perfect
I can't have discredited you can't have discredited she can't have discredited we can't have discredited you can't have discredited they can't have discredited
V-ing perfect
I can't have been discrediting you can't have been discrediting she can't have been discrediting we can't have been discrediting you can't have been discrediting they can't have been discrediting
Interrogative form
Simple form
can I discredit? can you discredit? can she discredit? can we discredit? can you discredit? can they discredit?
V-ing form
can I be discrediting? can you be discrediting? can she be discrediting? can we be discrediting? can you be discrediting? can they be discrediting?
Perfect
can I have discredited? can you have discredited? can she have discredited? can we have discredited? can you have discredited? can they have discredited?
V-ing perfect
can I have been discrediting? can you have been discrediting? can she have been discrediting? can we have been discrediting? can you have been discrediting? can they have been discrediting?
Interro-negative form
Simple form
can't I discredit? can't you discredit? can't she discredit? can't we discredit? can't you discredit? can't they discredit?
V-ing form
can't I be discrediting? can't you be discrediting? can't she be discrediting? can't we be discrediting? can't you be discrediting? can't they be discrediting?
Perfect
can't I have discredited? can't you have discredited? can't she have discredited? can't we have discredited? can't you have discredited? can't they have discredited?
V-ing perfect
can't I have been discrediting? can't you have been discrediting? can't she have been discrediting? can't we have been discrediting? can't you have been discrediting? can't they have been discrediting?