I could pole you could pole he could pole we could pole you could pole they could pole
V-ing form
I could be poling you could be poling he could be poling we could be poling you could be poling they could be poling
Perfect
I could have poled you could have poled he could have poled we could have poled you could have poled they could have poled
V-ing perfect
I could have been poling you could have been poling he could have been poling we could have been poling you could have been poling they could have been poling
Negation
Simple form
I could not pole you could not pole he could not pole we could not pole you could not pole they could not pole
V-ing form
I could not be poling you could not be poling he could not be poling we could not be poling you could not be poling they could not be poling
Perfect
I could not have poled you could not have poled he could not have poled we could not have poled you could not have poled they could not have poled
V-ing perfect
I could not have been poling you could not have been poling he could not have been poling we could not have been poling you could not have been poling they could not have been poling
Interrogative form
Simple form
could I pole? could you pole? could he pole? could we pole? could you pole? could they pole?
V-ing form
could I be poling? could you be poling? could he be poling? could we be poling? could you be poling? could they be poling?
Perfect
could I have poled? could you have poled? could he have poled? could we have poled? could you have poled? could they have poled?
V-ing perfect
could I have been poling? could you have been poling? could he have been poling? could we have been poling? could you have been poling? could they have been poling?
Interro-negative form
Simple form
could I not pole? could you not pole? could he not pole? could we not pole? could you not pole? could they not pole?
V-ing form
could I not be poling? could you not be poling? could he not be poling? could we not be poling? could you not be poling? could they not be poling?
Perfect
could I not have poled? could you not have poled? could he not have poled? could we not have poled? could you not have poled? could they not have poled?
V-ing perfect
could I not have been poling? could you not have been poling? could he not have been poling? could we not have been poling? could you not have been poling? could they not have been poling?