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