What are the different ways to say in German?

There are four different levels of politeness for addressing people in German, each with appropriate expressions. Here are some common phrases.

Formal (Sie form)

* Guten Morgen/Tag/Abend (Good morning/day/evening)

* Wie geht es Ihnen? (How are you?)

* Bitte (Please)

* Danke (Thank you)

Polite (Du form)

* Hallo/Servus/Grüß dich (Hello/Greetings)

* Wie geht's? (How are you?)

* Bitte (Please)

* Danke (Thank you)

Informal (Du form)

* Hey/Hi (Hello)

* Alles klar? (All good?)

* Bitte (Please)

* Danke (Thank you)

Casual (Du form)

* Geht's noch? (Are you serious?)

* Was geht ab? (What's up?)

* Bitte (Please)

* Danke (Thank you)