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