In German, you can greet a student in a formal or informal manner depending on the context and your relationship with the student. Here are some common greetings:
Formal Greeting: If you're in a formal setting or addressing a teacher or someone you want to show respect to, you can use the following greeting:
"Guten Tag!" (Good day!)
"Guten Morgen!" (Good morning!)
"Guten Abend!" (Good evening!)
You can follow these greetings with the student's name if you know it. For example, "Guten Morgen, Herr/Frau [Last Name]."
Informal Greeting: If you have a more casual relationship with the student or you're of a similar age, you can use informal greetings:
"Hallo!" (Hello!)
"Hi!"
"Wie geht's?" (How are you?)
"Hallo [Name]!" (Hello [Name]!)
Remember to use the appropriate level of formality and politeness based on the situation and the person you're greeting.