I could reattain you could reattain he could reattain we could reattain you could reattain they could reattain
V-ing form
I could be reattaining you could be reattaining he could be reattaining we could be reattaining you could be reattaining they could be reattaining
Perfect
I could have reattained you could have reattained he could have reattained we could have reattained you could have reattained they could have reattained
V-ing perfect
I could have been reattaining you could have been reattaining he could have been reattaining we could have been reattaining you could have been reattaining they could have been reattaining
Negation
Simple form
I could not reattain you could not reattain he could not reattain we could not reattain you could not reattain they could not reattain
V-ing form
I could not be reattaining you could not be reattaining he could not be reattaining we could not be reattaining you could not be reattaining they could not be reattaining
Perfect
I could not have reattained you could not have reattained he could not have reattained we could not have reattained you could not have reattained they could not have reattained
V-ing perfect
I could not have been reattaining you could not have been reattaining he could not have been reattaining we could not have been reattaining you could not have been reattaining they could not have been reattaining
Interrogative form
Simple form
could I reattain? could you reattain? could he reattain? could we reattain? could you reattain? could they reattain?
V-ing form
could I be reattaining? could you be reattaining? could he be reattaining? could we be reattaining? could you be reattaining? could they be reattaining?
Perfect
could I have reattained? could you have reattained? could he have reattained? could we have reattained? could you have reattained? could they have reattained?
V-ing perfect
could I have been reattaining? could you have been reattaining? could he have been reattaining? could we have been reattaining? could you have been reattaining? could they have been reattaining?
Interro-negative form
Simple form
could I not reattain? could you not reattain? could he not reattain? could we not reattain? could you not reattain? could they not reattain?
V-ing form
could I not be reattaining? could you not be reattaining? could he not be reattaining? could we not be reattaining? could you not be reattaining? could they not be reattaining?
Perfect
could I not have reattained? could you not have reattained? could he not have reattained? could we not have reattained? could you not have reattained? could they not have reattained?
V-ing perfect
could I not have been reattaining? could you not have been reattaining? could he not have been reattaining? could we not have been reattaining? could you not have been reattaining? could they not have been reattaining?