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