The video transcript covers expressions of uncertainty, the use of repetition for emphasis, and initiating interaction through a knock-knock phrase. It highlights different communication techniques and their purposes.

What does the speaker express in the first section?

• Confidence in their knowledge

• Indifference to the topic

• Excitement about learning

• Uncertainty and lack of knowledge

What language does the speaker mention in the first section?

• English

• French

• German

• Spanish

In the second section, what is the speaker's repeated response?

• Sure, sure, sure, sure

• No, no, no, no

• Maybe, maybe, maybe, maybe

• Yes, yes, yes, yes

How does the speaker's tone change from the first to the second section?

• From confident to uncertain

• From uncertain to repetitive denial

• From indifferent to excited

• From excited to indifferent

What is the common setup initiated by the speaker in the third section?

• A riddle

• A knock-knock joke

• A tongue twister

• A trivia question