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