分类：教育/科学-外语学习
问题：一条比较简单的句子的分析Thesentrieswereduein 
The sentries were due in soon.请问due在句中是什么词性？是due in 还是due||in soon?
回答：The sentries were due|| in soon.
due在句中作形容词，是“预期应到的”意思
整句意思为：卫兵们马上就到站岗时间了。