17.1
3. Have you ever been to Australia?
4. Have you ever lost your passport?
5. Have you ever flown in a helicopter?
6. Have you ever eaten Chinese food?
7. Have you ever been to New York?
8. Have you ever driven a bus?
9. Have you evee broken your leg?
17.2
2. Helen has never been to Australia.
3. Helen has eaten Chinese food a few times.
4. Helen has never driven a bus.
5. I have never been to New York.
6. I have played tennis a few times.
7. I have flown in a helicopter once.
8. I have been late for work many times.
