Native and Natural - 3 ways to say hello in English

The video tutorial discusses three ways to greet someone you haven't seen in a while, focusing on the phrases 'What have you been up to?', 'How have you been?', and 'What's been going on?'. It highlights the use of present perfect and present perfect continuous tenses to express recent actions or states from the past to the present. The tutorial emphasizes the importance of understanding these grammatical structures in everyday communication.

Describe the third way to inquire about someone's recent activities.

How do the phrases discussed relate to present perfect and present perfect continuous tenses?