I can discredit you can discredit he can discredit we can discredit you can discredit they can discredit
V-ing form
I can be discrediting you can be discrediting he can be discrediting we can be discrediting you can be discrediting they can be discrediting
Perfect
I can have discredited you can have discredited he 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 he 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 he 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 he 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 he 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 he 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 he discredit? can we discredit? can you discredit? can they discredit?
V-ing form
can I be discrediting? can you be discrediting? can he be discrediting? can we be discrediting? can you be discrediting? can they be discrediting?
Perfect
can I have discredited? can you have discredited? can he 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 he 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 he 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 he 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 he 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 he have been discrediting? can't we have been discrediting? can't you have been discrediting? can't they have been discrediting?