2. How many years you know him?
3. How many letter have you received from him since September?
4. Has he already finished his breakfast?
5.
6.
7. In which country has he gone?
8.
9. To who hasn't she written for years?
10. How many times have you been late this month, you think?
11. What he has made for a year?
12. How much time have you known him?