| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] the time [adv] | 22 |
|
| 2 | back [prep] the time when | 20 |
|
| 3 | back [prep] the time [Wh adv] | 20 |
|
| 4 | back [prep] the time when | 20 |
|
| 5 | back to the time [adv] | 20 |
|
