6.1Don't disturb him. He (to work). 2.I first (to have) a bath and then (to go) to bed. 3. She always (to have) a boiled egg for breakfast. I (to know) she (to like) eggs. 4. He (to be) interested in physics since childhood. 5. What you (to do) since you (to leave) Oxford? 6. She (to use) to bring me little presents when I(to be) a child. 7. Write to me when you (to get) back. I (to look) forward to your letter