The document discusses the differences between defining and non-defining relative clauses. It provides examples showing that non-defining clauses add extra information about a subject using who, which, that and commas, while defining clauses identify the subject using who, which, that without commas as they provide necessary information. Defining relative clauses cannot be omitted without losing meaning.

1. NON- DEFINING
o Gives extra information, but doesn’t give
necessary
information.
oWHO- WHICH
o Put commas (______, who _____ , _____)

2. The River Nile, WHICH is over 6.500 kilometres long, is
Egypt’s main source of water.
THE NILE

3. The Eiffel Tower, WHICH was built in 1887, isn’t far from the
the Louvre Museum.
THE EIFFEL TOWER

4. DEFINING
o Subject: WHO- WHICH- THAT
o Object: (WHO- WHICH- THAT) these are
ommitable.
o Where, When, Whose can be used.

5. I like the woman WHO/ THAT
lives next door.
I like the woman. She (S.)
lives next door.
She has a dog WHICH/ THAT
bites me every day.
She loves chocolate (WHICH/
THAT) I buy.
I buy a chocolate (O.) and
she loves it
MY NEIGHBOUR

6. Gustave Eiffel was a French engineer and architect WHO
built the Eiffel Tower.
OR
G. Eiffel, WHO built the Eiffel Tower, was a French engineer
and architect. (NON- DEFINING)
GUSTAVE EIFFEL