1. haven't seen (yet-HTHT)
2. has taken (Hành động vừa mới xảy ra-HTHT)
3. spent (last-QKĐ)
4. went (last year-QKĐ)
5. Have you ridden (yet-HTHT)
6. haven't arrived (yet-HTHT)
7. delivered (an hour ago-QKĐ)
8. have got (It's the first time- HTHT)
9. heard (a few minutes ago-QKĐ)
10. have gone (several times-HTHT)