Bees dance their signals ,flying in certain patterns that tell ot_英语解答

Bees dance their signals ,flying in certain patterns that tell other bees to find nectar for honey.
为什么不能用to呢?
patterns 后面的that 做什么成分，为什么不能是to?

人气：109 ℃　时间：2019-11-16 13:30:33

解答

我觉得patterns后面的that在从句中作主语,“that tell other bees to find nectar for honey”这个that从句修饰“patterns”你也可以说"flying in certain patterns to tell…",这时,“tell other bees to find nect...