They risk their lives to save people caught in fires.to save 是补语成分吗?their lives 是宾语?
问题描述：
They risk their lives to save people caught in fires.to save 是补语成分吗?their lives 是宾语?
答
补语
答
他们冒着生命危险去营救火灾中受困人员。
简化为：他们营救人员。
所以，to save 是谓语，their lives是宾语
答
不是
做的是目的状语，risk their lives冒着生命危险，目的是救出在火中被困的人们
答
to save 是目的壮语 their lives 是宾语
答
They risk(主谓） their lives （宾语）to save people （不定式作目的状语）caught in fires（修饰people 的后置定语）