か
Turns a sentence into a question
You’ll be able to turn a polite noun statement into a question by adding a single particle.

蓮は高校生ですか。
ren wa koukousei desu ka.
What do you think this sentence means?
Is Ren a high school student?
Turn a polite statement into a question
Add か to the end of a polite sentence to make a neutral, polite question.
今日は月曜日ですか。
kyou wa getsuyoubi desu ka.
Is today Monday?
Add か at the end
Keep the noun sentence as it is and add か after です. In standard writing, a Japanese question mark is optional.
蓮は学生ですか。
ren wa gakusei desu ka.
Is Ren a student?
エマは先生ですか。
ema wa sensei desu ka.
Is Emma a teacher?
今日は土曜日ですか。
kyou wa doyoubi desu ka.
Is today Saturday?
田中さんは先生ですか。
tanaka-san wa sensei desu ka.
Is Tanaka a teacher?
パーティーは土曜日ですか。
paatii wa doyoubi desu ka.
Is the party on Saturday?
切符は千円ですか。
kippu wa sen-en desu ka.
Is the ticket 1,000 yen?
3 more examples in the grammar path — free for a limited time.