Phrases and clauses

Mệnh đề quan hệ trong câu sau xác định hay không xác định:

My brother, who is a doctor, lives in New York.

• không xác định

• xác định

• quan trọng

• cần có

I am crazy about shoes.

• The shoes which I bought yesterday are very comfortable.

• The shoes, which I bought yesterday, are very comfortable.

Rewrite these sentences:

Yesterday Greg bought a camera. It doesn't work.

• Yesterday Greg bought a camera that doesn't work.

• Yesterday Greg bought a camera who doesn't work.

• The camera who Greg bought yesterday doesn't work.

Read the following sentence and decide whether the phrase typed in green is essential or nonessential.
The football players on the field ran the ball and scored a touchdown.

• essential 
• nonessential

Stephen King, who is American, is a famous writer.
The clause in blue is an example of a...

• Defining Relative Clause.
• Non-definining Relative Clause.

Decide whether the following relative clauses are defining or non-defining.

The oranges are starting to look brown.

• The oranges, which have been sitting on the table for a week , are starting to look brown.

• The oranges which have been sitting on the table for a week are starting to look brown.

You have two houses.

• My house which is in Miami is very expensive

• My house,which is in Miami, is very expensive

Advance Lifesaving which is a good course prepares students to be lifeguards.

• Lifesaving,
• ,which is a good course,
• course,
• As it is

We can use relative clauses to join two English sentences, or to give more information about something.

• True

• False

Reduce the relative clause:

My friends who are studying in Italy will be at the party.

• My friends who studying in Italy will be at the party.

• My friends studying in Italy will be at the party.

• My friends studied in Italy will be at the party.