I was followed by a man yesterday evening这也可以说句中的,不过一般是不可以在主语后直接接的.不能说I by a man was.能不能说i was made by him to feel happy,这里是在句中啊还有i am allowed by my teacher to take food to school这句话对么可以，只要在承受者和动作后就行，不管其他作为状语的成分