Instrument / Mediator
With what or through what does it happen?
Significato
The tool, medium, body part, system, channel, or mediator used to perform or transmit the action.
Come riconoscerlo
Ask what tool or channel makes the action possible.
Esempi
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?
Panoramica per lingua
Nella tua lingua madre
Instruments are usually expressed with con or a fixed prepositional phrase.
Taglia il pane con un coltello.
He cuts the bread with a knife.
Nella tua lingua di studio
In inglese gli strumenti si esprimono di solito con preposizioni, soprattutto with: with a knife, with my hands.
She cut the bread with a knife.
with a knife = strumento
Gli studenti possono scegliere la preposizione sbagliata o omettere il marcatore dello strumento, come with.
Same block, different coding
Both languages use this block strongly, but they signal it differently. Focus on form changes, not only meaning.