Some people don't know the courtesies due an old man.怎么解释due 做什么成分?

Some people don't know the courtesies due an old man.怎么解释due 做什么成分?
Some people don't know the courtesies due an old man.怎么解释due 做什么成分?

Some people don't know the courtesies due an old man.怎么解释due 做什么成分?
我懂了!
才反应过来
due to是介词词性,复合介词
译为“由于,应归于”,所以这里的due to是介词,和后面构成介宾结构,做courtesy的定语～!

有些人不懂得尊敬老人。due应得的，老人应该得到我们人尊敬，但是有的人没想到这一点