The category "<locate_line>" can be expressed as follows:

<locate_line>

<creation_verb> <line_loc>

<creation_verb> <new_line>

<line_creation_verb> <line_loc>

<line_creation_verb> <new_line>

<locate_line> <line_mod>

<location_verb> <line_loc>

<location_verb> <new_line>

<location_verb> it