时态、从句分析和断句

We have all had experiences where someone working in their job has lifted us up and made a difference to our day or brought us down and made our day worse.

时态分析：

句子中使用了两个完成时的动词短语，即“have had”和“has lifted”，表达了过去发生的经历和影响，同时也涉及到现在的感受和情况。

从句分析：

句子中包含一个名词性从句作为主语，“where someone working in their job…”，其中有一个关系代词“where”引导一个定语从句修饰先行词“experiences”。

断句：

We have all had experiences / where someone working in their job / has lifted us up and made a difference to our day / or brought us down and made our day worse.