麻烦大神讲解下此英文句子

题目

麻烦大神讲解下此英文句子
Asian parents whose children are doing all this do have a reason to be worried此句应该怎样拆分理解,中间那个do是助动词+have?

答案

主语部分：Asian parents whose children are doing all this,其中whose children are doing all this是定语从句,修饰Asian parents； 谓语部分：do have,谓语动词是have,do是起强调作用； 宾语部分：a reason to be...