I could unhand you could unhand he could unhand we could unhand you could unhand they could unhand
V-ing form
I could be unhanding you could be unhanding he could be unhanding we could be unhanding you could be unhanding they could be unhanding
Perfect
I could have unhanded you could have unhanded he could have unhanded we could have unhanded you could have unhanded they could have unhanded
V-ing perfect
I could have been unhanding you could have been unhanding he could have been unhanding we could have been unhanding you could have been unhanding they could have been unhanding
Negation
Simple form
I couldn't unhand you couldn't unhand he couldn't unhand we couldn't unhand you couldn't unhand they couldn't unhand
V-ing form
I couldn't be unhanding you couldn't be unhanding he couldn't be unhanding we couldn't be unhanding you couldn't be unhanding they couldn't be unhanding
Perfect
I couldn't have unhanded you couldn't have unhanded he couldn't have unhanded we couldn't have unhanded you couldn't have unhanded they couldn't have unhanded
V-ing perfect
I couldn't have been unhanding you couldn't have been unhanding he couldn't have been unhanding we couldn't have been unhanding you couldn't have been unhanding they couldn't have been unhanding
Interrogative form
Simple form
could I unhand? could you unhand? could he unhand? could we unhand? could you unhand? could they unhand?
V-ing form
could I be unhanding? could you be unhanding? could he be unhanding? could we be unhanding? could you be unhanding? could they be unhanding?
Perfect
could I have unhanded? could you have unhanded? could he have unhanded? could we have unhanded? could you have unhanded? could they have unhanded?
V-ing perfect
could I have been unhanding? could you have been unhanding? could he have been unhanding? could we have been unhanding? could you have been unhanding? could they have been unhanding?
Interro-negative form
Simple form
couldn't I unhand? couldn't you unhand? couldn't he unhand? couldn't we unhand? couldn't you unhand? couldn't they unhand?
V-ing form
couldn't I be unhanding? couldn't you be unhanding? couldn't he be unhanding? couldn't we be unhanding? couldn't you be unhanding? couldn't they be unhanding?
Perfect
couldn't I have unhanded? couldn't you have unhanded? couldn't he have unhanded? couldn't we have unhanded? couldn't you have unhanded? couldn't they have unhanded?
V-ing perfect
couldn't I have been unhanding? couldn't you have been unhanding? couldn't he have been unhanding? couldn't we have been unhanding? couldn't you have been unhanding? couldn't they have been unhanding?