6. I've never been to Hue before.
-> It's the first time.....i have ever been to Hue
7. This is the first time we've seen him.
-> We've never seen this man before
8. The last time I saw my car was at 8 o'clock.
-> I have not seen my car since 8 o'clock.
9. Jim has done his homework since 8 o'clock.
-> Jim started/began doing his homework at 8 o'clock.
10. Jim has done his homework for nearly half an hour.
-> Jim started/began doing his homework half an hour ago