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 couldn't pole you couldn't pole he 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 he 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 he 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 he 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 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
couldn't I pole? couldn't you pole? couldn't he 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 he 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 he 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 he have been poling? couldn't we have been poling? couldn't you have been poling? couldn't they have been poling?