How could you construct a sentence using pronoun to talk about the you have with your best friend over the weekend?

Example sentences:

My friend and I had fun over the weekend. We went camping.

-The pronoun 'we' takes the place of the subject 'my friend and I'.

The camp is on the lake and it has a fireplace.

-The pronoun 'it' takes the place of the noun 'camp'.

My father was with us. He took us fishing on the lake.

-The pronoun 'he' takes the place of the noun 'father'.