https://www.eva.mpg.de/linguistics/past-research-resources/typological-surveys/relative-clauses-and-noun-modifying-clauses/
Relative clauses and Noun-modifying clauses - Max Planck Institute for Evolutionary Anthropology
relative clausesmax plancknouninstituteanthropology
https://www.k12reader.com/worksheet/relative-clauses-breaking-apart/
Relative Clauses: Breaking Apart | Grammar Worksheets
Here your student will change one sentence into two by eliminating the relative clause.
relative clausesgrammar worksheetsbreakingapart
https://english-grammar.at/online_exercises/relative-pronouns/rp004.htm
RP004 - Relative Clauses with WHO, WHICH and WHERE
RP004 - Relative Clauses with WHO, WHERE and WHICH - English Grammar Exercises
relative clauses
https://englishgrammarhere.com/category/relative-clauses/
Relative Clauses Archives - English Grammar Here
relative clausesenglish grammararchives