練習

1. Origins, structure, and basic meaning

• Structure: 練習 (れんしゅう) is a noun that also forms a する verb for repeated practice used to develop a skill or action.
• Basic usage: 合唱の練習 links the practice topic with の, while 発音を練習する marks the item practiced with を.
  • 放課後に合唱の練習をした。 — We practiced singing as a choir after school.
  • 毎朝十回ずつ発音を練習している。 — I practice pronunciation ten times every morning.

2. Common pitfalls and similar expressions

• Noun combination and verb object
  • Use a noun combination such as 合唱の練習 for the kind of practice, and a verbal pattern such as 発音を練習する for the direct object practiced.