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