Theory
Defining
Non - Defining
Some / any / no
Mistakes
100

What relative pronoun do we use for people?

Who

100

I've never been to the country ____ my father was born.

I've never been to the country where my father was born.

100

David, _____owns a Porsche, follows me on Instagram.

David, who owns a Porsche, follows me on Instagram.

100

Come here! I have ______ to show you!

Come here! I have something to show you!

100

Sarah is very bored, she has something to do.

Sarah is very bored, she has nothing to do.

200

We use where for...

places

200

The girl _____ is wearing a red jacket is my cousin.

The girl who is wearing a red jacket is my cousin.

200

The car, ______ is parked outside, has just arrived.

The car, which is parked outside, has just arrived.

200

A: Isn't there too much silence?

B: Yes, because there isn't _____ in the school.

A: Isn't there too much silence?

B: Yes, because there isn't anyone in the school.

200
I love NY, which there are a lot of famous people.

I love NY, where there are a lot of famous people.

300

When do we use any?

In negative and questions

300

This is the cat ______ I have adopted. 

This is the cat which I have adopted

300

The front row, ______ has the best seats, is where I want to sit in Biology class.

The front row, which has the best seats, is where I want to sit in Biology class

300

What's this? There's ______ at the door.

What's this? There's someone / something at the door.

300

My friend, whose is working in a hospital, lives near the bus station.

My friend, who is working in a hospital, lives near the bus station.

400

What type of information do non-defining relative clauses give?

extra information / non-important information
400

J.K. Rowling is a writer ______ books have become very famous. 

J.K. Rowling is a writer whose books have become very famous.

400

The bank, _____ I have an account, was robbed last week.

The bank, where I have an account, was robbed last week.

400

Is there _______ we can go to ask for information?

Is there anywhere we can go to ask for information?

400

My brother who is a dentist works in Barcelona.

My brother, who is a dentist, works in Barcelona.

500
When do we use no compounds

In affirmative sentences with negative meaning

500

Italy is the country _______ has the best food. 

Italy is the country which has the best food.

500

Mary, _______ job is really interesting, is an influencer.

Mary, whose job is really interesting, is an influencer.

500

I'm really hungry, I have ______ to eat!

I'm really hungry, I have nothing to eat!

500

Peter, that is studying at the University, can't go anywhere because is ill.

Peter, who is studying at the University, can't go anywhere because is ill.