confer的过去式怎么变化

　　confer例句分享

　　I have a right to confer with my client.

　　我有与我委托人商讨的权利。

　　I need to confer with my management team on or about this matter.

　　我需要与管理人员就此事协商一下。

　　Oxford University conferred the title of doctor on him.

　　牛津大学授予他博士头衔。