WRAP WHO investigates SARS, cleaning operation

The video tutorial provides a brief overview of the use of question marks in English grammar, explaining their role in indicating questions within sentences.

What is the significance of a question mark in written language?

Can you provide examples of sentences that correctly use a question mark?

How does the use of a question mark affect the tone of a sentence?

In what contexts might a question mark be misused?

Discuss the historical evolution of the question mark in punctuation.