| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] back to | 666 |
|
| 2 | [adv] back to | 601 |
|
| 3 | straight [adv] to | 312 |
|
| 4 | straight back [prep] | 124 |
|
| 5 | straight back to | 67 |
|
