join是谓语还是非谓语

join是谓语。

May I join in the conversation ?我能不能加入你们的谈话

The president had arranged to join a picnic party .总统还曾准备参加一个野餐聚会。

Technology allows poor people to join the global market .科技使得穷人也能参与到市场经济。

The 60-strong staff of the fund will join blackstone .基金的60多名员工将入职百仕通。

Essentially ， this query is an inner join ， only less efficient .事实上，这个查询除了效率不够之外，完全就是个内连接。