I could belly-dance you could belly-dance he could belly-dance we could belly-dance you could belly-dance they could belly-dance
V-ing form
I could be belly-dancing you could be belly-dancing he could be belly-dancing we could be belly-dancing you could be belly-dancing they could be belly-dancing
Perfect
I could have belly-danced you could have belly-danced he could have belly-danced we could have belly-danced you could have belly-danced they could have belly-danced
V-ing perfect
I could have been belly-dancing you could have been belly-dancing he could have been belly-dancing we could have been belly-dancing you could have been belly-dancing they could have been belly-dancing
Negation
Simple form
I could not belly-dance you could not belly-dance he could not belly-dance we could not belly-dance you could not belly-dance they could not belly-dance
V-ing form
I could not be belly-dancing you could not be belly-dancing he could not be belly-dancing we could not be belly-dancing you could not be belly-dancing they could not be belly-dancing
Perfect
I could not have belly-danced you could not have belly-danced he could not have belly-danced we could not have belly-danced you could not have belly-danced they could not have belly-danced
V-ing perfect
I could not have been belly-dancing you could not have been belly-dancing he could not have been belly-dancing we could not have been belly-dancing you could not have been belly-dancing they could not have been belly-dancing
Interrogative form
Simple form
could I belly-dance? could you belly-dance? could he belly-dance? could we belly-dance? could you belly-dance? could they belly-dance?
V-ing form
could I be belly-dancing? could you be belly-dancing? could he be belly-dancing? could we be belly-dancing? could you be belly-dancing? could they be belly-dancing?
Perfect
could I have belly-danced? could you have belly-danced? could he have belly-danced? could we have belly-danced? could you have belly-danced? could they have belly-danced?
V-ing perfect
could I have been belly-dancing? could you have been belly-dancing? could he have been belly-dancing? could we have been belly-dancing? could you have been belly-dancing? could they have been belly-dancing?
Interro-negative form
Simple form
could I not belly-dance? could you not belly-dance? could he not belly-dance? could we not belly-dance? could you not belly-dance? could they not belly-dance?
V-ing form
could I not be belly-dancing? could you not be belly-dancing? could he not be belly-dancing? could we not be belly-dancing? could you not be belly-dancing? could they not be belly-dancing?
Perfect
could I not have belly-danced? could you not have belly-danced? could he not have belly-danced? could we not have belly-danced? could you not have belly-danced? could they not have belly-danced?
V-ing perfect
could I not have been belly-dancing? could you not have been belly-dancing? could he not have been belly-dancing? could we not have been belly-dancing? could you not have been belly-dancing? could they not have been belly-dancing?