`1`. I think I've heard that song before
`2`.They haven't come yet
`3`.Jim has already invited Shirley to his party.
`4`.John and Julie have had their house for about two years.
`5`.She hasn’t taken her driving test yet.
`6`.Mary has been a translator since she left university.
`7`.Have you ridden your new car yet?
`8`.Has Paul ever met a famous person?
`9`.Up to now, Peter has received 5 awards.
`10`.It is ages since we last talked.
It is+time+since+mệnh đề QKĐ
up to now-> HTHT
since+QKĐ
HTHT+since