Wie lange lernen Sie schon ~? – “How long have you been learning ___?” in German | MotiTan Dictionary

Meaning

How long have you been learning ___?

When to use it

It asks about learning time. Use it politely for subjects or skills.

Example dialogue

Wie lange lernen Sie schon Deutsch?

How long have you been learning German?

Ich lerne seit drei Jahren Deutsch.

I've been learning German for three years.