I could pole you could pole she could pole we could pole you could pole they could pole
V-ing form
I could be poling you could be poling she could be poling we could be poling you could be poling they could be poling
Perfect
I could have poled you could have poled she 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 she could have been poling we could have been poling you could have been poling they could have been poling
Negation
Simple form
I couldn't pole you couldn't pole she couldn't pole we couldn't pole you couldn't pole they couldn't pole
V-ing form
I couldn't be poling you couldn't be poling she couldn't be poling we couldn't be poling you couldn't be poling they couldn't be poling
Perfect
I couldn't have poled you couldn't have poled she couldn't have poled we couldn't have poled you couldn't have poled they couldn't have poled
V-ing perfect
I couldn't have been poling you couldn't have been poling she couldn't have been poling we couldn't have been poling you couldn't have been poling they couldn't have been poling
Interrogative form
Simple form
could I pole? could you pole? could she pole? could we pole? could you pole? could they pole?
V-ing form
could I be poling? could you be poling? could she be poling? could we be poling? could you be poling? could they be poling?
Perfect
could I have poled? could you have poled? could she 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 she have been poling? could we have been poling? could you have been poling? could they have been poling?
Interro-negative form
Simple form
couldn't I pole? couldn't you pole? couldn't she pole? couldn't we pole? couldn't you pole? couldn't they pole?
V-ing form
couldn't I be poling? couldn't you be poling? couldn't she be poling? couldn't we be poling? couldn't you be poling? couldn't they be poling?
Perfect
couldn't I have poled? couldn't you have poled? couldn't she have poled? couldn't we have poled? couldn't you have poled? couldn't they have poled?
V-ing perfect
couldn't I have been poling? couldn't you have been poling? couldn't she have been poling? couldn't we have been poling? couldn't you have been poling? couldn't they have been poling?