JapaneseJLPT
JLPT N3 grammar · Chapter 10

~ても構わない

It is acceptable even if this happens

You’ll be able to give or confirm permission while emphasizing that the situation causes no problem.

Illustration of the scene described by It is completely fine even if you wash the dishes tomorrow morning.
Read it first

お皿さら洗あらいは明日あしたの朝あさになっても構かまいませんよ。

osaraarai wa ashita no asa ni natte mo kamaimasen yo.

What do you think this sentence means?

It is completely fine even if you wash the dishes tomorrow morning.

Why it means that

Indicate that a situation causes no problem

~ても構かまわない (or politely ~ても構かまいません) means “it doesn't matter if” or “it is fine even if.” It gives permission or confirms that a condition poses no problem or concern.

Examples

このペン、使つかっても構かまいませんか?

kono pen, tsukatte mo kamaimasen ka?

Do you mind if I use this pen?

少すこし高たかくても構かまわないから、いい物ものを買かいたい。

sukoshi takakute mo kamawanai kara, ii mono o kaitai.

I don’t mind if it is a little expensive; I want to buy something good.

How it is built

Pair a て-form with 構わない

Conjugate a verb, adjective, or noun into its て-form (or で-form for nouns and na-adjectives) followed by 構かまわない (or 構かまいません in polite speech).

verb / i-adj て-form+ても構わない/noun / na-adj+ でも構わない
Example

急いそぎませんから、返事へんじは後あとになっても構かまいませんよ。

isogimasen kara, henji wa ato ni natte mo kamaimasen yo.

There is no rush, so it is fine if your reply comes later.

Examples

「すみません、この窓まどを開あけても構かまいませんか。」

“sumimasen, kono mado o akete mo kamaimasen ka.”

“Excuse me, would it be all right if I opened this window?”

お支払しはらいはカードでも構かまいません。

oshiharai wa kaado de mo kamaimasen.

You may also pay by card.

狭せまくても構かまわないから、駅えきに近ちかい部屋へやを探さがしている。

semakute mo kamawanai kara, eki ni chikai heya o sagashite iru.

I’m looking for a room near the station, and I don’t mind if it’s small.

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