Relative Clauses Part 2: Defining vs Non-Defining

1. Which sentence is correct?

My sister, who lives in Paris, is a doctor.

My sister, that lives in Paris, is a doctor.

My sister that lives in Paris, is a doctor.

My sister who lives in Paris is a doctor.

2. Students who work hard succeed. This sentence is:

A non-defining clause (needs commas)

A defining clause (no commas needed)

Incorrect - should use "that" instead

Incorrect - "who" can be omitted

3. Which sentence allows you to omit the relative pronoun?

The woman who lives next door is a doctor.

The book that I bought is interesting.

The car which is red is mine.

The man who broke the window ran away.

4. The man _____ car was stolen called the police.

who

whose

which

that

5. This is the restaurant _____ we first met.

when

which

where

whose

6. Which is the key difference between defining and non-defining clauses?

Defining clauses use "that", non-defining use "which"

Non-defining clauses need commas, defining clauses don't

Defining clauses are always longer

Non-defining clauses can only describe people

7. Can you use "that" in a non-defining relative clause?

Yes, always

No, never

Only with things, not people

Only in formal writing

8. The movie we watched was good. This sentence is:

Incorrect - missing relative pronoun

Correct - the pronoun is optional because it's the object

Correct - but only in informal speech

Incorrect - should use commas

9. Do you remember the day _____ we first met?

where

when

whose

which

10. The book that is on the table is mine. Can you omit "that"?

Yes, because it's a defining clause

No, because "that" is the subject of the clause

Yes, but only in spoken English

No, because you need commas

11. What does "My brother who lives in London is a doctor" imply?

I have only one brother

I have more than one brother

My brother is in London right now

The sentence is grammatically incorrect

12. I know a woman _____ daughter is a famous actress.

who

whose

which

that

13. The Eiffel Tower, which was built in 1889, is in Paris. This is a non-defining clause because:

It uses "which" instead of "that"

We already know which tower we're talking about

The sentence is very long

It talks about a historical building

14. The hotel _____ we stayed was excellent.

which

where

when

whose

15. Can you omit the relative pronoun in a non-defining clause?

Yes, when it's the object

No, never

Yes, always

Only in informal writing