I could gloat you could gloat she could gloat we could gloat you could gloat they could gloat
V-ing form
I could be gloating you could be gloating she could be gloating we could be gloating you could be gloating they could be gloating
Perfect
I could have gloated you could have gloated she could have gloated we could have gloated you could have gloated they could have gloated
V-ing perfect
I could have been gloating you could have been gloating she could have been gloating we could have been gloating you could have been gloating they could have been gloating
Negation
Simple form
I could not gloat you could not gloat she could not gloat we could not gloat you could not gloat they could not gloat
V-ing form
I could not be gloating you could not be gloating she could not be gloating we could not be gloating you could not be gloating they could not be gloating
Perfect
I could not have gloated you could not have gloated she could not have gloated we could not have gloated you could not have gloated they could not have gloated
V-ing perfect
I could not have been gloating you could not have been gloating she could not have been gloating we could not have been gloating you could not have been gloating they could not have been gloating
Interrogative form
Simple form
could I gloat? could you gloat? could she gloat? could we gloat? could you gloat? could they gloat?
V-ing form
could I be gloating? could you be gloating? could she be gloating? could we be gloating? could you be gloating? could they be gloating?
Perfect
could I have gloated? could you have gloated? could she have gloated? could we have gloated? could you have gloated? could they have gloated?
V-ing perfect
could I have been gloating? could you have been gloating? could she have been gloating? could we have been gloating? could you have been gloating? could they have been gloating?
Interro-negative form
Simple form
could I not gloat? could you not gloat? could she not gloat? could we not gloat? could you not gloat? could they not gloat?
V-ing form
could I not be gloating? could you not be gloating? could she not be gloating? could we not be gloating? could you not be gloating? could they not be gloating?
Perfect
could I not have gloated? could you not have gloated? could she not have gloated? could we not have gloated? could you not have gloated? could they not have gloated?
V-ing perfect
could I not have been gloating? could you not have been gloating? could she not have been gloating? could we not have been gloating? could you not have been gloating? could they not have been gloating?