| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [adv] [vb pp] [adv] [prep] | 105 |
|
| 2 | [pron] [verb] [adv] [vb pp] back [prep] | 90 |
|
| 3 | who [verb] [adv] [verb] back [prep] | 10 |
|
