| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [adv] [vb pp] [prep] | 1222 |
|
| 2 | [adv] [vb pp] back [prep] | 506 |
|
| 3 | 've [vb pp] back [prep] | 42 |
|
| 4 | 've [adv] [vb pp] back | 37 |
|
