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