[译] 他的父母和他对我都非常好。
[误] His parents as well as he is very kind to me.

[正] His parents as well as he are very kind to me.
[注] as well as 连接两个主语时，谓语动词的数应与前一个主语保持一致，这正与 not only... but also 相反，但均遵循了强调谁就与谁一致、谁为主就依谁的“意义一致”的原则。试比较：Not only he but also his parents are very kind to me.