I could bed you could bed he could bed we could bed you could bed they could bed
V-ing form
I could be bedding you could be bedding he could be bedding we could be bedding you could be bedding they could be bedding
Perfect
I could have bedded you could have bedded he 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 he 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 he 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 he 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 he 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 he 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 he bed? could we bed? could you bed? could they bed?
V-ing form
could I be bedding? could you be bedding? could he be bedding? could we be bedding? could you be bedding? could they be bedding?
Perfect
could I have bedded? could you have bedded? could he 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 he 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 he 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 he 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 he 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 he have been bedding? couldn't we have been bedding? couldn't you have been bedding? couldn't they have been bedding?