| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] back to | 666 |
|
| 2 | [adv] back to | 601 |
|
| 3 | directly [adv] to | 93 |
|
| 4 | directly back [prep] | 14 |
|
| 5 | directly back to | 10 |
|
