Relative clouses
Defining
things
Which- That
time
When
people
who - That
possession
Whose
place
Where
Relative clauses or relative clauses are those that act as subordinates to a main clause, adding more information about a thing or a person that had already been mentioned before. For example: The cushions that are on the couch are purple and green.
principal
Non Defining
Who
Which
Where
Whose
When