6. -The subordinate clause that loves dogs is EMBEDDED in the main clause The cat is mad - The cat that loves dogs is mad - [ S1 The cat [ S2 that loves dogs ] is mad ] - This embedded is a feature of all subordinate clauses -A subordinator can be optional in relative clause. e . g . [ S1 The film [ S2 that I saw last night ] was really good ] [ S1 The film [ S2 I saw last night ] was really good] Maleeha Meedi