| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [adv] [vb pp] [prep] | 1161 |
|
| 2 | [adv] [vb pp] back [prep] | 457 |
|
| 3 | 've [vb pp] back [prep] | 42 |
|
| 4 | 've [adv] [vb pp] back | 36 |
|
