my mother是was还是werer？

my mother后面跟着was还是werer？

My mother 接三单动词形式。my作为mother的定语，mother是三单名词。例如，

My mother was a teacher.

我妈妈曾经是老师。

My mother likes the outdoor picnic, invite neighbors to attend, so that they feel that they are part of nature.

我妈妈喜欢在户外野餐，邀请邻居参加，让他们觉得自己是大自然的一部分。