I could video-record you could video-record he could video-record we could video-record you could video-record they could video-record
V-ing form
I could be video-recording you could be video-recording he could be video-recording we could be video-recording you could be video-recording they could be video-recording
Perfect
I could have video-recorded you could have video-recorded he could have video-recorded we could have video-recorded you could have video-recorded they could have video-recorded
V-ing perfect
I could have been video-recording you could have been video-recording he could have been video-recording we could have been video-recording you could have been video-recording they could have been video-recording
Negation
Simple form
I could not video-record you could not video-record he could not video-record we could not video-record you could not video-record they could not video-record
V-ing form
I could not be video-recording you could not be video-recording he could not be video-recording we could not be video-recording you could not be video-recording they could not be video-recording
Perfect
I could not have video-recorded you could not have video-recorded he could not have video-recorded we could not have video-recorded you could not have video-recorded they could not have video-recorded
V-ing perfect
I could not have been video-recording you could not have been video-recording he could not have been video-recording we could not have been video-recording you could not have been video-recording they could not have been video-recording
Interrogative form
Simple form
could I video-record? could you video-record? could he video-record? could we video-record? could you video-record? could they video-record?
V-ing form
could I be video-recording? could you be video-recording? could he be video-recording? could we be video-recording? could you be video-recording? could they be video-recording?
Perfect
could I have video-recorded? could you have video-recorded? could he have video-recorded? could we have video-recorded? could you have video-recorded? could they have video-recorded?
V-ing perfect
could I have been video-recording? could you have been video-recording? could he have been video-recording? could we have been video-recording? could you have been video-recording? could they have been video-recording?
Interro-negative form
Simple form
could I not video-record? could you not video-record? could he not video-record? could we not video-record? could you not video-record? could they not video-record?
V-ing form
could I not be video-recording? could you not be video-recording? could he not be video-recording? could we not be video-recording? could you not be video-recording? could they not be video-recording?
Perfect
could I not have video-recorded? could you not have video-recorded? could he not have video-recorded? could we not have video-recorded? could you not have video-recorded? could they not have video-recorded?
V-ing perfect
could I not have been video-recording? could you not have been video-recording? could he not have been video-recording? could we not have been video-recording? could you not have been video-recording? could they not have been video-recording?