Today, we are going to revise relative sentences.Let´s start with some basic exercises 1, 2 . Then, let´s continue with these activities where you have to decide if the relative pronoun can be omitted or not 3, 4 Another activity to complete with relative pronouns 5. Now, easy activities to practise on the  formation of relative clauses 6. Next, do the following activity to distinguish betweem defining and non-defining relative clauses 7. After that, do this activity related to non-defining relative sentences 8. More practice? You have this activity to improve your knowledge 9.