Where were they one hour ago?
They were in Taichung.
Are they busy?
Yes, they are.
Where are they now?
They are in Kaohsiung.
Where are they now?
They are in Taiwan.
Where are Fred and Ruby going?
They are going to Kaohsiung.
Are Fred and Ruby in Japan?
No, they aren't.
Where were they 3 hours ago?
They were in Taipei.