| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] the time [adv] | 24 |
|
| 2 | back [prep] the time [adv] | 22 |
|
| 3 | back [prep] the time when | 22 |
|
| 4 | back to the time [adv] | 22 |
|
| 5 | back [prep] the time [Wh adv] | 22 |
|
| 6 | back [prep] the time when | 22 |
|
| 7 | back to the time [adv] | 22 |
|
