I could relabel you could relabel he could relabel we could relabel you could relabel they could relabel
V-ing form
I could be relabelling you could be relabelling he could be relabelling we could be relabelling you could be relabelling they could be relabelling
Perfect
I could have relabelled you could have relabelled he could have relabelled we could have relabelled you could have relabelled they could have relabelled
V-ing perfect
I could have been relabelling you could have been relabelling he could have been relabelling we could have been relabelling you could have been relabelling they could have been relabelling
Negation
Simple form
I could not relabel you could not relabel he could not relabel we could not relabel you could not relabel they could not relabel
V-ing form
I could not be relabelling you could not be relabelling he could not be relabelling we could not be relabelling you could not be relabelling they could not be relabelling
Perfect
I could not have relabelled you could not have relabelled he could not have relabelled we could not have relabelled you could not have relabelled they could not have relabelled
V-ing perfect
I could not have been relabelling you could not have been relabelling he could not have been relabelling we could not have been relabelling you could not have been relabelling they could not have been relabelling
Interrogative form
Simple form
could I relabel? could you relabel? could he relabel? could we relabel? could you relabel? could they relabel?
V-ing form
could I be relabelling? could you be relabelling? could he be relabelling? could we be relabelling? could you be relabelling? could they be relabelling?
Perfect
could I have relabelled? could you have relabelled? could he have relabelled? could we have relabelled? could you have relabelled? could they have relabelled?
V-ing perfect
could I have been relabelling? could you have been relabelling? could he have been relabelling? could we have been relabelling? could you have been relabelling? could they have been relabelling?
Interro-negative form
Simple form
could I not relabel? could you not relabel? could he not relabel? could we not relabel? could you not relabel? could they not relabel?
V-ing form
could I not be relabelling? could you not be relabelling? could he not be relabelling? could we not be relabelling? could you not be relabelling? could they not be relabelling?
Perfect
could I not have relabelled? could you not have relabelled? could he not have relabelled? could we not have relabelled? could you not have relabelled? could they not have relabelled?
V-ing perfect
could I not have been relabelling? could you not have been relabelling? could he not have been relabelling? could we not have been relabelling? could you not have been relabelling? could they not have been relabelling?