替える

かえる

to exchange, to interchange, to substitute

JLPT N3

Character Breakdown

Meaning and Usage

The verb 替える (かえる) means "to replace," "to exchange," or "to substitute" something with another. It often implies physically swapping one item for another or changing plans or arrangements.

Common Contexts

You will frequently see 替える used when talking about replacing parts, items, or changing schedules. For example, replacing batteries, changing a tire, or altering a meeting time.

Collocations and Patterns

  • 電池を替える: to replace a battery
  • 予定を替える: to change plans
  • 部品を替える: to replace a part

These collocations highlight the practical and everyday use of 替える in various contexts.

Register and Politeness

替える is a neutral verb suitable for both casual and polite conversation. When speaking formally, you might use the polite form 替えます.

Common Mistakes

Learners sometimes confuse 替える with 換える (also read かえる), which also means "to exchange" or "to replace." 替える often focuses on physical replacement or substitution, while 換える can emphasize exchange or conversion, such as currency exchange. Context will guide which to use.

Example Sentences

ふるいでんちをあたらしいものにかえた。

I replaced the old battery with a new one.

かれはよていをかえて、あしたにあうことにした。

He changed the plan and decided to meet tomorrow.

このぶひんはかんたんにかえられます。

This part can be easily replaced.