| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] back [prep] [art] [noun] | 2800 |
|
| 2 | [vb past] [prep] [art] [noun] [unc] | 1682 |
|
| 3 | back [prep] [art] [noun] [unc] | 205 |
|
| 4 | [vb past] back [prep] [noun] [unc] | 58 |
|
| 5 | [vb past] back [prep] [art] [unc] | 8 |
|
