I could rebate you could rebate he could rebate we could rebate you could rebate they could rebate
V-ing form
I could be rebating you could be rebating he could be rebating we could be rebating you could be rebating they could be rebating
Perfect
I could have rebated you could have rebated he could have rebated we could have rebated you could have rebated they could have rebated
V-ing perfect
I could have been rebating you could have been rebating he could have been rebating we could have been rebating you could have been rebating they could have been rebating
Negation
Simple form
I could not rebate you could not rebate he could not rebate we could not rebate you could not rebate they could not rebate
V-ing form
I could not be rebating you could not be rebating he could not be rebating we could not be rebating you could not be rebating they could not be rebating
Perfect
I could not have rebated you could not have rebated he could not have rebated we could not have rebated you could not have rebated they could not have rebated
V-ing perfect
I could not have been rebating you could not have been rebating he could not have been rebating we could not have been rebating you could not have been rebating they could not have been rebating
Interrogative form
Simple form
could I rebate? could you rebate? could he rebate? could we rebate? could you rebate? could they rebate?
V-ing form
could I be rebating? could you be rebating? could he be rebating? could we be rebating? could you be rebating? could they be rebating?
Perfect
could I have rebated? could you have rebated? could he have rebated? could we have rebated? could you have rebated? could they have rebated?
V-ing perfect
could I have been rebating? could you have been rebating? could he have been rebating? could we have been rebating? could you have been rebating? could they have been rebating?
Interro-negative form
Simple form
could I not rebate? could you not rebate? could he not rebate? could we not rebate? could you not rebate? could they not rebate?
V-ing form
could I not be rebating? could you not be rebating? could he not be rebating? could we not be rebating? could you not be rebating? could they not be rebating?
Perfect
could I not have rebated? could you not have rebated? could he not have rebated? could we not have rebated? could you not have rebated? could they not have rebated?
V-ing perfect
could I not have been rebating? could you not have been rebating? could he not have been rebating? could we not have been rebating? could you not have been rebating? could they not have been rebating?