I could ballyhoo you could ballyhoo she could ballyhoo we could ballyhoo you could ballyhoo they could ballyhoo
V-ing form
I could be ballyhooing you could be ballyhooing she could be ballyhooing we could be ballyhooing you could be ballyhooing they could be ballyhooing
Perfect
I could have ballyhooed you could have ballyhooed she could have ballyhooed we could have ballyhooed you could have ballyhooed they could have ballyhooed
V-ing perfect
I could have been ballyhooing you could have been ballyhooing she could have been ballyhooing we could have been ballyhooing you could have been ballyhooing they could have been ballyhooing
Negation
Simple form
I could not ballyhoo you could not ballyhoo she could not ballyhoo we could not ballyhoo you could not ballyhoo they could not ballyhoo
V-ing form
I could not be ballyhooing you could not be ballyhooing she could not be ballyhooing we could not be ballyhooing you could not be ballyhooing they could not be ballyhooing
Perfect
I could not have ballyhooed you could not have ballyhooed she could not have ballyhooed we could not have ballyhooed you could not have ballyhooed they could not have ballyhooed
V-ing perfect
I could not have been ballyhooing you could not have been ballyhooing she could not have been ballyhooing we could not have been ballyhooing you could not have been ballyhooing they could not have been ballyhooing
Interrogative form
Simple form
could I ballyhoo? could you ballyhoo? could she ballyhoo? could we ballyhoo? could you ballyhoo? could they ballyhoo?
V-ing form
could I be ballyhooing? could you be ballyhooing? could she be ballyhooing? could we be ballyhooing? could you be ballyhooing? could they be ballyhooing?
Perfect
could I have ballyhooed? could you have ballyhooed? could she have ballyhooed? could we have ballyhooed? could you have ballyhooed? could they have ballyhooed?
V-ing perfect
could I have been ballyhooing? could you have been ballyhooing? could she have been ballyhooing? could we have been ballyhooing? could you have been ballyhooing? could they have been ballyhooing?
Interro-negative form
Simple form
could I not ballyhoo? could you not ballyhoo? could she not ballyhoo? could we not ballyhoo? could you not ballyhoo? could they not ballyhoo?
V-ing form
could I not be ballyhooing? could you not be ballyhooing? could she not be ballyhooing? could we not be ballyhooing? could you not be ballyhooing? could they not be ballyhooing?
Perfect
could I not have ballyhooed? could you not have ballyhooed? could she not have ballyhooed? could we not have ballyhooed? could you not have ballyhooed? could they not have ballyhooed?
V-ing perfect
could I not have been ballyhooing? could you not have been ballyhooing? could she not have been ballyhooing? could we not have been ballyhooing? could you not have been ballyhooing? could they not have been ballyhooing?