只要不发生误解,先前出现的名词原则上都可以在后面使用相应代词。
你问有没有特殊情况,回答是肯定的。你肯定又要继续问有哪些特殊情况,这肯定不是几条规则可以概括的,这需要在学习慢慢积累。
顺便说一句,在主从复合句,如果从句在主句之前,可以先出现代词,后出现名词。如:
As soon as it had hopped off, the plane picked up speed. 飞机刚一起飞,就加了速。When he worked here, Roger was always making mistakes. 罗杰在这儿工作时老出差错。