Greetings in English

สรุป การทักทายทำได้หลายรูปแบบ

  Greeting someone and answering them back

Greeting someone	How to answer them
How are you?                       How have you been?                     How are things?                     How is your girlfriend?	Fine, thanks. And you?     Very well. And you?     Not too bad, thanks.     She’s fine.