"我们经常一起去学校" 可以用英语说成 "We often go to school together."
这句话的主要结构是 "We often + 动词原形 + 副词/介词短语"。其中 "We" 是主语，"often" 是副词，"go" 是动词原形，"to school" 是介词短语。
例句:
We often have lunch together. (我们经常一起吃午饭)
We often play soccer together on weekends. (我们经常在周末一起踢足球)
We often watch movies together at home. (我们经常在家一起看电影)