YOU SAID:

I like to eat at my friends house in the summer

INTO JAPANESE

私は夏に友達の家で食べるのが好きです

BACK INTO ENGLISH

I like to eat at my friend's house in summer

INTO JAPANESE

私は夏に私の友人の家で食べるのが好きです

BACK INTO ENGLISH

I like to eat at my friend's house in summer