Relative clause tells you more about people or things. They are used with Relative pronouns.
The relative pronouns are:
| Subject | Object | Possessive | Usage |
|---|---|---|---|
| who | who/whom | whose | people |
| which | which | whose | things |
| that | that | - | people or things |
Example
Lord Thompson who is 76, has just retired
This is the house which Jack built