I could accredit you could accredit he could accredit we could accredit you could accredit they could accredit
V-ing form
I could be accrediting you could be accrediting he could be accrediting we could be accrediting you could be accrediting they could be accrediting
Perfect
I could have accredited you could have accredited he could have accredited we could have accredited you could have accredited they could have accredited
V-ing perfect
I could have been accrediting you could have been accrediting he could have been accrediting we could have been accrediting you could have been accrediting they could have been accrediting
Negation
Simple form
I could not accredit you could not accredit he could not accredit we could not accredit you could not accredit they could not accredit
V-ing form
I could not be accrediting you could not be accrediting he could not be accrediting we could not be accrediting you could not be accrediting they could not be accrediting
Perfect
I could not have accredited you could not have accredited he could not have accredited we could not have accredited you could not have accredited they could not have accredited
V-ing perfect
I could not have been accrediting you could not have been accrediting he could not have been accrediting we could not have been accrediting you could not have been accrediting they could not have been accrediting
Interrogative form
Simple form
could I accredit? could you accredit? could he accredit? could we accredit? could you accredit? could they accredit?
V-ing form
could I be accrediting? could you be accrediting? could he be accrediting? could we be accrediting? could you be accrediting? could they be accrediting?
Perfect
could I have accredited? could you have accredited? could he have accredited? could we have accredited? could you have accredited? could they have accredited?
V-ing perfect
could I have been accrediting? could you have been accrediting? could he have been accrediting? could we have been accrediting? could you have been accrediting? could they have been accrediting?
Interro-negative form
Simple form
could I not accredit? could you not accredit? could he not accredit? could we not accredit? could you not accredit? could they not accredit?
V-ing form
could I not be accrediting? could you not be accrediting? could he not be accrediting? could we not be accrediting? could you not be accrediting? could they not be accrediting?
Perfect
could I not have accredited? could you not have accredited? could he not have accredited? could we not have accredited? could you not have accredited? could they not have accredited?
V-ing perfect
could I not have been accrediting? could you not have been accrediting? could he not have been accrediting? could we not have been accrediting? could you not have been accrediting? could they not have been accrediting?