Question

2. To do some reading before falling asleep seems to me a rule         . (break)

睡前读点东西对于我来说似乎是个从没有被打破的规则。

Answer 1

2. never to be broken/that/which has never been/is never broken不定式用作定语，修饰a rule;亦可用定语从句形式来表达。