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