| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [adv] [adv] [vb pp] | 544 |
|
| 2 | [adv] [adv] [vb pp] back | 64 |
|
| 3 | 've [adv] [vb pp] back | 37 |
|
| 4 | 've [adv] [vb pp] back | 36 |
|
