| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] back [prep] | 457 |
|
| 2 | only [adv] [vb pp] [prep] | 379 |
|
| 3 | only [adv] [vb pp] back | 17 |
|
| 4 | only [vb pp] back [prep] | 7 |
|
