| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] back [prep] [noun] | 131 |
|
| 2 | 's [vb pp] back [prep] [noun] | 21 |
|
| 3 | 's [adv] [vb pp] [prep] [noun] | 20 |
|
| 4 | 's [adv] [vb pp] back [prep] | 10 |
|
