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