かどうか details
write + whether or not
kaku ka dou ka
whether or not
meaning: whether to write
明日の試合が行われるかどうか、まだ分かりません。
ashita no shiai ga okonawareru ka dou ka, mada wakarimasen.
We still don't know whether tomorrow's match will be held. neutral
留学するかどうか、まだ決めていません。
ryuugakusuru ka dou ka, mada kimete imasen.
I still haven't decided whether to study abroad. neutral
- literary
Examples
whether or not — embeds a yes/no question inside a larger sentence
明日の試合が行われるかどうか、まだ分かりません。
ashita no shiai ga okonawareru ka dou ka, mada wakarimasen.
We still don't know whether tomorrow's match will be held. neutral
留学するかどうか、まだ決めていません。
ryuugakusurukadouka, mada kimete imasen.
I still haven't decided whether to study abroad. neutral
これ、本物かどうかあやしいね。
kore, honmono ka dou ka ayashii ne.
It's iffy whether this thing is genuine, don't you think? casual
ご出席いただけるかどうか、金曜日までにお知らせください。
go shusseki itadakeru ka dou ka, kin'youbi made ni o shirase kudasai.
Please let us know by Friday whether you will be able to attend. formal
Formation
{V}かどうかattaches to dictionary formplain clause + かどうかattaches to plain clause
Variant notes
- かいなか — 〜か否[いな]か — the stiff written equivalent, at home in reports and contracts
Notes
Related patterns
Similar
かどうか closes the embedded question to yes-or-no and tolerates no question word; embedded か requires one — 行くかどうか is "whether he'll go", どこに行くか "where he'll go", and ×どこに行くかどうか is out.