Greetings 1

How to greet in English?
Common ways used to greet someone are:
1. How are you?
2. How are you going?
3. How are you doing?
4. Hey, what's up? ------- this one is quite casual.
Now, what should be the response when someone greets us? The following can be used according to one's own condition:
I'm good.
I'm great.
I'm wonderful.
I'm tired.
I'm hungry.
Not so good.
Pretty good.
All right.
Terrible!
Etc

Textbook conversation is:
A: How are you?
B: I'm fine. Thank you. And you?
A: I'm fine. Thank you.

Real casual greetings 1:
A: Hi/Hello/Hey, how are you doing?
B: I'm pretty good. And you?
A: Uh, I'm not bad. Thanks.

Real casual greetings 2:
A: Hi/Hello/Hey, how are you doing?
B: I'm great. Thanks.
A: What about you? / How about you?
B: I'm all right. What's new?

Real business greetings:
1. How are you?
2. How are you today?
3. How are you doing?

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