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