Defining and Non-Defining Clauses

The video tutorial explains the difference between defining and non-defining relative clauses. Defining clauses provide essential information, while non-defining clauses add extra details. Examples are given to illustrate both types, showing how defining clauses are necessary for understanding the main idea, whereas non-defining clauses offer additional, non-essential information.

What is the primary function of a defining relative clause?

• To provide additional, non-essential information

• To give essential information necessary for understanding

• To summarize the main idea

• To introduce a new topic

Which of the following sentences contains a non-defining relative clause?

• My brother, who lives in New York, is visiting.

• The car that is parked outside is mine.

• The book that I borrowed is fascinating.

• The day when I met her was special.

Why is the clause 'who lives in Paris' considered non-defining in the sentence 'Kate's sister, who lives in Paris, is visiting'?

• It is essential to identify which sister is visiting.

• It provides extra information that is not necessary for understanding.

• It changes the meaning of the sentence.

• It introduces a new subject.

In the sentence 'The girl who sits next to me in class is my best friend', why is the clause 'who sits next to me in class' defining?

• It summarizes the main idea.

• It introduces a new topic.

• It is necessary to identify which girl is being referred to.

• It provides additional, non-essential information.

What role does a non-defining clause play in a sentence?

• It adds extra, non-essential details.

• It provides essential information.

• It is crucial for the sentence's main idea.

• It changes the sentence's meaning.