01 Who are you?                        Dare desuka?
02 May I have your name?               Donata desuka?(polite)
03 Who is doing so?                    Dare ga sore o shite imasuka?
04 Who is going with us?               Dare ga watashi-tachi to iki-masuka?
05 Whose is this?                      Dare no desuka?
06 For who?                            Dare no tame desuka?
07 Who will come with you?             Dare to ki-masuka?
08 Who do you want to see?             Dare ni ai-tai desuka?
*want to ---= ---tai 
 want to eat=tabe-tai
 want to go=iki-tai
 want to come=ki-tai