買う

1. Origins, structure, and basic meaning

• Structure: 買う is read かう and means buying something in exchange for money.
• Basic usage: It is used in everyday situations such as buying bread on the way home or shoes with saved money.

2. Common pitfalls and similar expressions

• Inflection
  • The past form is 買った, including the small っ.
  • The negative form is 買わない.
• Item and place of purchase
  • In パンを買う, を marks what is bought.
  • In 駅前で買う, で marks where the purchase takes place.