relative clause造句

1、This paper explores how some notional verbs merge into the relative clause structure.
本文探讨实义动词如何融入关系小句。

2、What's the difference between adverbial clause and relative clause here?
地点状语和定语从句在这里是什么区别？

3、Since you can not guarantee prompt shipment, we must amend the relative clause accordingly.
既然你方不能保证即期装船，我们必须相应地将有关条款作一修改。