my cousin says orange juice tastes good

题目

my cousin says orange juice tastes good
My cousin says orange juice taste good in summer 是taste还是三单

答案

是 tastes 这是一个由that引导的宾语从句,这句话完整的应该是：
My cousin says that orange juice tastes good in summer that 引导的从句做says的宾语,而orange juice 则是从句中tastes 的主语