I could betide you could betide she could betide we could betide you could betide they could betide
V-ing form
I could be betiding you could be betiding she could be betiding we could be betiding you could be betiding they could be betiding
Perfect
I could have betided you could have betided she 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 she 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 she 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 she 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 she 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 she 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 she betide? could we betide? could you betide? could they betide?
V-ing form
could I be betiding? could you be betiding? could she be betiding? could we be betiding? could you be betiding? could they be betiding?
Perfect
could I have betided? could you have betided? could she 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 she 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 she 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 she 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 she 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 she have been betiding? couldn't we have been betiding? couldn't you have been betiding? couldn't they have been betiding?