3. Mike and Judy are in Brazil. How long have they been in Brazil?
4. Diana is learning Italian. How long has she been learning Italian?
5. My brother lives in Germany. How long has he been living in Germany?
6. It is raining. How long has it been raining?
7. Bill is a teacher. How long has he been teaching?
8. I know Margaret. How long have you known Margaret?
9. I have a motor-bike. How long have you had a motor-bike?
10. Linda and Frank are married. How long have they been married?
11. Alan works in London. How long has he been working in London?