`1.` had lived - moved
- Thì QKHT
- QKHT + before + QKD
`2.` downloaded - had made
- Thì QKHT
`3.` rang - had already left
`4.` arrived - had destroyed
- By the time + QKD, QKHT
`5.` hadn't stood - adopted
- QKHT + before + QKD
`6.` spoke - hadn't finished
`7.` came - had forgotten
`8.` had gone - was
- QKHT + when + QKD
`9.` had driven - arrived
- QKHT + by the time + QKD
`10.` had completed - gave
- After + QKHT, QKD
- Diễn tả một hành độn trong QK xảy ra trước một thời gian trong QK hoặc trước một hành động trong QK khác