| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb past] [vb pp] on | 981 |
|
| 2 | [pers pn] [vb past] [vb pp] back | 221 |
|
| 3 | [pers pn] [vb past] back on | 152 |
|
| 4 | [vb past] [vb pp] back on | 11 |
|
