I could report you could report she could report we could report you could report they could report
V-ing form
I could be reporting you could be reporting she could be reporting we could be reporting you could be reporting they could be reporting
Perfect
I could have reported you could have reported she could have reported we could have reported you could have reported they could have reported
V-ing perfect
I could have been reporting you could have been reporting she could have been reporting we could have been reporting you could have been reporting they could have been reporting
Negation
Simple form
I could not report you could not report she could not report we could not report you could not report they could not report
V-ing form
I could not be reporting you could not be reporting she could not be reporting we could not be reporting you could not be reporting they could not be reporting
Perfect
I could not have reported you could not have reported she could not have reported we could not have reported you could not have reported they could not have reported
V-ing perfect
I could not have been reporting you could not have been reporting she could not have been reporting we could not have been reporting you could not have been reporting they could not have been reporting
Interrogative form
Simple form
could I report? could you report? could she report? could we report? could you report? could they report?
V-ing form
could I be reporting? could you be reporting? could she be reporting? could we be reporting? could you be reporting? could they be reporting?
Perfect
could I have reported? could you have reported? could she have reported? could we have reported? could you have reported? could they have reported?
V-ing perfect
could I have been reporting? could you have been reporting? could she have been reporting? could we have been reporting? could you have been reporting? could they have been reporting?
Interro-negative form
Simple form
could I not report? could you not report? could she not report? could we not report? could you not report? could they not report?
V-ing form
could I not be reporting? could you not be reporting? could she not be reporting? could we not be reporting? could you not be reporting? could they not be reporting?
Perfect
could I not have reported? could you not have reported? could she not have reported? could we not have reported? could you not have reported? could they not have reported?
V-ing perfect
could I not have been reporting? could you not have been reporting? could she not have been reporting? could we not have been reporting? could you not have been reporting? could they not have been reporting?