动词join的过去式和过去分词形式

In 1972 Britain left EFTA and joined the EEC. 1972年英国脱离欧洲自由贸易联盟，加入了欧洲经济共同体。

His French has come on a lot since he joined the conversation class. 他自从参加了会话班，法语取得了很大进步。

Other organizations have joined the confederation for mutual benefit. 其他组织为了共同的利益也加入了这个联盟。

All the ships in the vicinity of the crash joined in the search for survivors. 撞船事故发生地区的所有船只都参加了搜寻幸存者的工作。

Law and equity are things which God hath joined, but which man has put asunder. 法律与平等，是上帝给结合在一起的东西，人却把它们拆开来了。

Since she joined the team last season she has made her presence felt. 自从上个赛季加入这个队以来，她就使人感到她是个举足轻重的队员。

He joined us in the discussion yesterday. 他昨天参加了我们的讨论。