Use subject ( đại từ chủ ngữ) and object pronouns ( đại từ tân ngữ ) in your sentences
It was a dark and stormy night, I ( subject ) told him ( object pronouns ) that we should go home
One sunny summer afternoon, i ( subject) go swimming with her ( object pronouns)

subject ( đại từ chủ ngữ: ,he ,she ,it, we, ...), object pronouns ( đại từ tân ngữ : him, us, ...)

It was a dark and stormy night, but he told me that he would go to the dangerous cave

One sunny summer afternoon, they invited us to go to the beach. 

Chúc bạn học tốt !