Relative Pronouns

E

Exercises 

https://agendaweb.org/grammar/relative_pronouns_clauses-exercises.html



Who Vs Whom

https://www.engvid.com/who-or-whom/

  Relative Clauses

Check out The Following Link Units 113 & 114

https://www.academia.edu/9189187/Essential_Grammar_in_Use_Raymond_Murphy_2nd_edition_with_Audio