Defining and non-defining relative clauses

I don't know the names of the children ________ parents forgot to pick them up from school.

• where

• who

• whose

• that

Don't sit on the chair _______ is broken. Here's another one

• when

• that

• who

• whose

I would like to see the film (a)   you were talking about

The woman (a)   lent you the money is very generous

Susan, (a)   is very generous, lent me a large sum of money.

The teacher (a)   car was stolen last week reported the theft to the police.

The library is the room (a)   he spends most of his free time

Allison, (a)   mother is my maths teacher, is my best friend.

A defining relative clause...

• Gives extra information but it's not necessary to make sense

• Gives essential information about a noun

In the defining relative clauses

• You can use that instead of who or which

• We can’t use that

• Sometimes we can omit the relative pronoun

• We never omit the relative pronoun