n*Behind [Mary]i [she]i heard the snake.
n*[Herself]i is proud of [her]i.
n*If [that jerk]i calls, tell [Tom]i I’m busy tonight.
n*[He]i insists that [the electrician]i found nothing wrong.
n[Mary]i told [John]j that [they]/j/i/k were assigned clean-up duty.