Nonessential Clauses

TV commercials sometimes the most entertaining parts of a program are essentially flashy corporate propaganda.

• Essential Clause

• Nonessential Clause

Saul having forgotten to save his work lost all of his revisions when his computer crashed.

• Essential Clause

• Nonessential Clause

My left ankle which I broke last winter is still too weak for track.

• Essential Clause

• Nonessential Clause

Mark Twain who tried a number of jobs became a writer.

• Essential Clause

• Nonessential Clause

Were Brian's directions which were very brief clear to you?

• Essential Clause

• Nonessential Clause

I have good memories of my hometown which is situated in the mountains.

• Essential Clause

• Nonessential Clause

Determine the appropriate punctuation:

My father, who was a country boy, has lived in the city for years.

• NO CHANGE

• father who, was a country boy, has

• father who was a country boy has

• father who was a country boy, has

Identify the nonessential clause in the following sentence: 'The book, which was published last year, has become a bestseller.'

• The book

• which was published last year

• has become a bestseller

• None of the above

Choose the sentence that contains a nonessential clause.

• The car that is parked outside is mine.

• The teacher who won the award is retiring.

• The movie, which I watched last night, was thrilling.

• The dog that barks loudly belongs to my neighbor.

What punctuation is needed for the nonessential clause in this sentence: 'My brother who lives in New York is visiting us.'

• No punctuation needed

• Commas around 'who lives in New York'

• A comma after 'brother'

• A comma after 'York'