| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [art] | 120953 |
|
| 2 | back [prep] [art] | 16466 |
|
| 3 | [vb past] back [prep] | 8025 |
|
| 4 | [vb past] back [art] | 643 |
|
