入(い)れ替(か)わる

いれかわる
verb (godan, intransitive)
to switch places; to be replaced
自動詞 intransitivemovement
See also: 入(い)れ替(か)える (transitive)
Conjugation
AffirmativeNegative
Present入(い)れ替(か)わる入(い)れ替(か)わらない
Present polite入(い)れ替(か)わります入(い)れ替(か)わりません
Past入(い)れ替(か)わった入(い)れ替(か)わらなかった
Past polite入(い)れ替(か)わりました入(い)れ替(か)わりませんでした
て form入(い)れ替(か)わって入(い)れ替(か)わらなくて
ている present入(い)れ替(か)わっている入(い)れ替(か)わっていない
ている polite入(い)れ替(か)わっています入(い)れ替(か)わっていません
ている past入(い)れ替(か)わっていた入(い)れ替(か)わっていなかった
ている past polite入(い)れ替(か)わっていました入(い)れ替(か)わっていませんでした
Conditional ば入(い)れ替(か)われば入(い)れ替(か)わらなければ
Conditional たら入(い)れ替(か)わったら入(い)れ替(か)わらなかったら
Volitional入(い)れ替(か)わろう—
Volitional polite入(い)れ替(か)わりましょう—
Potential入(い)れ替(か)われる入(い)れ替(か)われない
Passive入(い)れ替(か)わられる入(い)れ替(か)わられない
Causative入(い)れ替(か)わらせる入(い)れ替(か)わらせない
Imperative入(い)れ替(か)われ入(い)れ替(か)わるな
1. to switch places; to change places; to alternate
Two or more things or people swap positions or roles. Implies a mutual exchange where one goes out and another comes in.
選手(せんしゅ)が入(い)れ替(か)わった。
The players switched.
People getting off and people getting on the train switch places.
It's a story about two people whose minds and bodies switch.
2. to be replaced; to turn over; to be renewed
Members or contents of a group are gradually replaced by new ones over time.
メンバーが入(い)れ替(か)わった。
The members were replaced.
It's a popular restaurant where customers constantly turn over.
New menu items come out every time the seasons change.

入(い)れ替(か)わる describes things or people swapping positions, or group membership being renewed over time.

Transitivity

ASPECT (ている):
入(い)れ替(か)わっている indicates the switch has already occurred and the new state is in effect.

Common patterns

Common expressions

入(い)れ替(か)わり立(た)ち替(か)わり means "one after another, in constant succession." Used as an adverb: 入(い)れ替(か)わり立(た)ち替(か)わり客(きゃく)が来(く)る (customers keep coming one after another).