6º, Unit 9: Definining and non-defining relative clauses

In these links you can revise the theory , and do some exercises to practice:

https://learnenglishteens.britishcouncil.org/grammar/intermediate-grammar/relative-clauses

https://learnenglish.britishcouncil.org/grammar/intermediate-to-upper-intermediate/relative-clauses-non-defining-relative-clauses

 https://learnenglish.britishcouncil.org/grammar/intermediate-to-upper-intermediate/relative-clauses-defining-relative-clauses

 https://www.perfect-english-grammar.com/relative-clauses.html ( the exercises are mixed with the theory)

And more exercises here:

https://test-english.com/grammar-points/b1/defining-and-non-defining-relative-clauses/  ( there are three exercises in this link, make sure you do all of them!)

https://elt.oup.com/student/solutions/int/grammar/grammar_03_012e?cc=fr&selLanguage=en

https://elt.oup.com/student/solutions/int/grammar/grammar_03_022e?cc=fr&selLanguage=en