both the cars broke down the instant they set out
问题描述：
both the cars broke down the instant they set out
求分析该句结构
那这句的宾语在哪
答
主语：both the cars（说明只有2台车）
谓语：broke down
时间状语：the instant they set out(后面是从句,修饰instant)
没有宾语的.