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What?
Nani?
Nandesu ka.

Which?
Dore?
Dochira desu ka.

When?
Itsu desu ka.

Where?
Doko desu ka.

• Where is the station?
Eki wa doko desu ka.

Why?
Naze?
Nande desu ka.
Doushite?

Who?
Dare desu ka.
Donata desu ka. (formal)

Whom?
Dare ni desu ka.

Whose?
Dare no desu ka.

How?
Dou?

How long?
Dono kurai desu ka.

How many?
Ikutsu desu ka.

How much?
Ikura desu ka.

What happened?
Doushita no?

To whom?
Dare ni?

With what?
Nani to?

Where are you going?
Doko ikimasu ka.

Are you going?
Anata wa ikimasu ka.

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⚜️ NOTE ⚜️

✍🏻 You can say those formal word/phrase to your boss or people that has a higher rank than you because that is a polite word.
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