| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [det] [verb] [to-vb] back [prep] | 5 |
|
| 2 | [pron] [det] [verb] [to-vb] back [prep] | 5 |
|
| 3 | [det] [noun] [verb] [to-vb] back [prep] | 7 |
|
