Я кладу мелочь в кошелёк.

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Breakdown of Я кладу мелочь в кошелёк.

• кошелёк: the wallet
• класть: to put
• в: into

Questions & Answers about Я кладу мелочь в кошелёк.

Why is the verb кладу used here, and not something like ставлю or положу?

Russian has several verbs that translate as to put, but they’re used in different situations.

• класть / положить = to put/lay something somewhere (general verb for placing objects)
  • кладу is 1st person singular, present tense, imperfective: я кладу = I am putting / I put (regularly).
  • положу is 1st person singular, future tense, perfective: я положу = I will put (once).
• ставить / поставить is usually to put in an upright/standing position (e.g. put a bottle on the table).

Putting change into a wallet is a normal “put/place” action that doesn’t focus on vertical position, so класть / положить is the natural choice.

So:

• Я кладу мелочь в кошелёк. – I’m putting change into my wallet (now / habitually).
• Я положу мелочь в кошелёк. – I will put the change into my wallet (single future action).

Why is it в кошелёк and not в кошельке?