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