Instrument / Mediator
With what or through what does it happen?
Bedeutung
The tool, medium, body part, system, channel, or mediator used to perform or transmit the action.
So erkennst Du es
Ask what tool or channel makes the action possible.
Beispiele
knife|phone|car|email|hand
with a knife|by email|through the app
He cut the bread with a knife.
Visual guide
Actor │ uses ▼ Instrument / mediator │ makes possible ▼ Action He cut bread with a knife.
Same role, different shapes: with a knife (preposition) knife-CASE (case ending) by email (medium) through the app (channel) hand + cut (bare/compound) Ask: with/through what?
Sprachansicht
In deiner Muttersprache
Instruments are usually expressed with prepositions such as mit plus case.
Er schreibt mit einem Stift.
He writes with a pen.
In Deiner Lernsprache
Im Englischen werden Instrumente meist mit Präpositionen ausgedrückt, besonders with.
She cut the bread with a knife.
with a knife = Instrument / Mittel
Lernende wählen manchmal die falsche Präposition oder lassen die Markierung für das Instrument ganz weg.
Same block, different coding
Both languages use this block strongly, but they signal it differently. Focus on form changes, not only meaning.