Confusing English: LISTEN vs. HEAR (Differenza tra LISTEN e HEAR - Adatto per esami Cambridge)

The video tutorial explains the differences between the verbs 'listen' and 'hear', both related to the sense of hearing. 'Listen' is described as an active action requiring attention, often used with 'to', while 'hear' is a passive action that occurs naturally. Examples and clues are provided to help understand their usage and differences.

How does the text describe the action of listening in terms of attention?

What clues does the teacher provide to differentiate between 'listen' and 'hear'?