Opening ceremony for ASEAN summit

The video tutorial discusses the use of commas in sentences and how to express uncertainty in language. It provides examples and clarifies common mistakes in punctuation and expression.

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

• To separate ideas or elements

• To indicate a question

• To end a sentence

• To show excitement

Which of the following is NOT a correct use of a comma?

• Setting off introductory elements

• Ending a sentence

• Joining two independent clauses

• Separating items in a list

How can uncertainty be effectively communicated in speech?

• By using definitive statements

• By repeating words or phrases

• By avoiding pauses

• By using a loud voice

What is a common verbal cue that indicates uncertainty?

• Using complex vocabulary

• Speaking very quickly

• Repeating words like 'but'

• Raising the pitch of your voice

Which of the following phrases best indicates a lack of certainty?

• I know

• I am sure

• I think

• I will