| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] 've [adv] [vb pp] [to-vb] back | 10 |
|
| 2 | [pron] 've [adv] [vb pp] [to-vb] back | 10 |
|
| 3 | 've [adv] [vb pp] [to-vb] back [prep] | 5 |
|
| 4 | 've [adv] [vb pp] [to-vb] back [prep] | 5 |
|
