帮忙分析一下这个句子的成分the door remains open to diplomacy should iran choose to walk through it
问题描述：
帮忙分析一下这个句子的成分the door remains open to diplomacy should iran choose to walk through it
the door remains open to diplomacy should iran choose to walk through it
这是奥巴马的原话 应该没有语法错误
答
这句话是倒装句的虚拟语气,还原后是If the door remains open to diplomacy,Iran should choose to walk through it.