I want to join the swimming club.

我想参加游泳俱乐部。

I am in the swimming club.

我加入了游泳俱乐部。

Do you like the swimming club?

你喜欢游泳俱乐部吗？

I belong to the swimming club.

我是这个游泳俱乐部的成员。

Lucy joined the swimming club.

Lucy可能参加了游泳俱乐部。