I could bed you could bed she could bed we could bed you could bed they could bed
V-ing form
I could be bedding you could be bedding she could be bedding we could be bedding you could be bedding they could be bedding
Perfect
I could have bedded you could have bedded she could have bedded we could have bedded you could have bedded they could have bedded
V-ing perfect
I could have been bedding you could have been bedding she could have been bedding we could have been bedding you could have been bedding they could have been bedding
Negation
Simple form
I couldn't bed you couldn't bed she couldn't bed we couldn't bed you couldn't bed they couldn't bed
V-ing form
I couldn't be bedding you couldn't be bedding she couldn't be bedding we couldn't be bedding you couldn't be bedding they couldn't be bedding
Perfect
I couldn't have bedded you couldn't have bedded she couldn't have bedded we couldn't have bedded you couldn't have bedded they couldn't have bedded
V-ing perfect
I couldn't have been bedding you couldn't have been bedding she couldn't have been bedding we couldn't have been bedding you couldn't have been bedding they couldn't have been bedding
Interrogative form
Simple form
could I bed? could you bed? could she bed? could we bed? could you bed? could they bed?
V-ing form
could I be bedding? could you be bedding? could she be bedding? could we be bedding? could you be bedding? could they be bedding?
Perfect
could I have bedded? could you have bedded? could she have bedded? could we have bedded? could you have bedded? could they have bedded?
V-ing perfect
could I have been bedding? could you have been bedding? could she have been bedding? could we have been bedding? could you have been bedding? could they have been bedding?
Interro-negative form
Simple form
couldn't I bed? couldn't you bed? couldn't she bed? couldn't we bed? couldn't you bed? couldn't they bed?
V-ing form
couldn't I be bedding? couldn't you be bedding? couldn't she be bedding? couldn't we be bedding? couldn't you be bedding? couldn't they be bedding?
Perfect
couldn't I have bedded? couldn't you have bedded? couldn't she have bedded? couldn't we have bedded? couldn't you have bedded? couldn't they have bedded?
V-ing perfect
couldn't I have been bedding? couldn't you have been bedding? couldn't she have been bedding? couldn't we have been bedding? couldn't you have been bedding? couldn't they have been bedding?