My sister Isabel is the funniest person I know. I know 这里是什么成分啊?
问题描述：
My sister Isabel is the funniest person I know. I know 这里是什么成分啊?
答
定语从句，修饰person的，此定语从句省略了引导词。
答
定语从句，I KNOW 前面省略了that，完整原句为 my sister isabel is the funniest person that i know. that 指代my sister isabel, 同时做i know 的宾语。
答
定语从句,I KNOW 前面省略了that,完整原句为 my sister isabel is the funniest person that i know.that 指代my sister isabel,同时做i know 的宾语.