| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] back [prep] the [noun prp] | 14 |
|
| 2 | [vb past] [pers pn] back [prep] [art] [noun prp] | 13 |
|
| 3 | [vb past] [pron] back to [art] [noun prp] | 7 |
|
