1. Is Paul there, please?
Sorry, he has left about 10 minutes ago. I think he went to the library.
2. I lived in Lisbon for year before moving to America.
Really? What a coincidence! I have lived there for a year before mocing to America.
3. I need a holiday. I have only had two days off this year.
Yes, but last year went on holiday four times.
4. My parents once saw Elvis Presley in Las Vegas.
Well, I have seen his daughter, Lisa, many times. She live near me.