1. “What’s up?” or “How’s it going?” – a casual greeting
2. “How are you?” – a common question to ask someone’s well-being
3. “Nice to meet you” – a polite phrase when meeting someone for the first time
4. “Thank you” – a polite expression of gratitude
5. “No problem” – a phrase used to indicate that something is not difficult or troublesome
6. “Sorry” – an expression of remorse or apology
7. “Excuse me” – a polite way to get someone’s attention or to apologize for interrupting
8. “Please” – a polite word used to make a request
9. “See you later” – a common way of saying goodbye
10. “Goodbye” – a way of saying farewell
11. “What do you mean?” – a question to ask for clarification
12. “Can I help you?” – a polite offer of assistance
13. “Sure” – an expression of agreement or willingness
14. “Of course” – an expression of agreement or understanding
15. “Absolutely” – an expression of agreement or certainty
16. “I don’t know” – an expression of ignorance or uncertainty
17. “I’m not sure” – an expression of uncertainty or lack of knowledge
18. “I see” – an expression of understanding
19. “I understand” – an expression of comprehension
20. “I agree” – an expression of concurrence

Note that phrases usage might vary depending on the context, situation and region. These are some of the most commonly spoken phrases by native English speakers, but there are many more that are used in different contexts and regions.