Pope Benedict arrives at Vienna airport

The video tutorial covers the basics of punctuation, focusing on the use of commas, and explains the concept of contractions in English grammar.

What is the primary function of a comma in a sentence?

• To separate items in a list

• To show excitement

• To indicate a question

• To end a sentence

Which of the following sentences correctly uses a comma?

• I need to buy, apples oranges and bananas.

• I need to buy apples, oranges, and bananas.

• I need to buy apples oranges and bananas.

• I need to buy apples oranges, and bananas.

What does the contraction 'shouldn't' stand for?

• Should not

• Should have

• Should be

• Should do

Which of the following is a correct use of a contraction?

• I should'nt go there.

• I should'nt go there.

• I shouldnt go there.

• I shouldn't go there.

Why are contractions used in English?

• To shorten words and make speech more casual

• To confuse the reader

• To make speech more formal

• To make sentences longer