01 When?                               Itsu?
02 Where?                              Doko?
03 Why?                                Naze?/Dooshite?
04 Who?                                Dare?/Donata?
05 Which?                              Dore?/Dochira?
06 What?                               Nani?
07 How do you---?                      Doo yatte---?
08 How long---?/How much---?           Dono kurai?
09 How much?                           Ikura?

10 Where is ---?                       ---wa doko desu-ka?
11 Where is the dining room?           Syokudoo-wa doko desu-ka?

12 Please tell me where---.               ---ga dokoka oshiete kudasai.
13 Please tell me where the washroom is.  Otearai-ga dokoka oshiete kudasai.
14 Please tell me where the toilet is.    Toile-ga dokoka oshiete kudasai.
15 Please tell me where the phone is.     Denwa-ga dokoka oshiete kudasai.