かどうか (Whether or not)
Whether or not, If...or not
JLPT N4
Pattern
Plain form + かどうか
How it works
かどうか embeds a yes/no question in a sentence: “whether or not”. 来るかどうかわからない means “I don't know whether they'll come”.
Examples
- あした 行けるか どうか わかりません。I don't know whether I can go tomorrow.
- おいしいか どうか 食べて みて ください。Try it and see if it's good.
Related grammar
Further reading
Bunpro N4 · Lesson 8Put your practice together
Work through a complete paper at your own pace or choose a timed mock exam. No account is needed to begin.