Relative clause is a clause we always use to give extra information about something without starting a new sentence or repeating the words. Relative clause also combine two phrases into one, example: "i have a friend, she works as a doctor". To be, "i have a friend who works as a doctor". In relative clauses generally we use : Who/whom for people ( the man who is talking with me is my brother ) Where for places ( Mekkah where i went last year is a great place ) When for time ( I still remember the day when he was gone ) That/which for things ( The motorcycle which is red cost $3600 ) Whose for possession ( The woman whose dog bit me is lives around the corner ) Which i know, relative clause consists of 2 type : 1. Defining clause is relative clauses that carry importants information, so it is can't removed because it will change the whole of sentence. 2. Non defining clause, is relative clauses that only carries additional information. So if