Two ways to introduce yourself
I'd like to introduce myself. My name is _______. (normal)
Hi! I'm ______. (casual)
Two ways to introducing others
I'd like to introduce ______. (normal)
This is _______. (casual)
Four ways to say "How are you?"
How are you? (normal)
How are you doing? (a little more casual)
How are things? (casual)
How's it going? (very casual)
Four ways to say "Nice to meet you."
It's a pleasure to meet you. (formal)
Pleased to meet you. (a little formal)
How do you do? (normal)
Nice to meet you. (normal)