高人帮忙指点下这个句子的主谓宾,定状补
问题描述：
高人帮忙指点下这个句子的主谓宾,定状补
Unless banks carry toxic assets at prices that attract buyers,reviving the banking system will be difficult.
答
unless引导条件状语从句,在从句中banks是主语,谓语动词是carry,宾语是toxic assets,at prices做状语,that引导定语从句,修饰先行词prices,从句中that作主语,attract是谓语,buyers是宾语.reviving the banking system ...