1. What did she do when hen brother was studying?
(What + to be + S + do/does + O)
2. How long has he slept?
(How long + have/has + S + V)
3. How many times can a milk bottle be reused?
(How + many/much + S + can/could + S + O )
4. What time is the park locked?
(What time/when + to be + S + O)
5. How often is the room cleaned?
(How often + to be + S + O)
6. Where did your uncle move in 2002?
(Where + to be + S + O)
