| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [art] [adj] | 125042 |
|
| 2 | back [prep] [art] [adj] | 3466 |
|
| 3 | [vb pp] back [prep] [art] | 1369 |
|
| 4 | [vb pp] back [prep] [adj] | 357 |
|
| 5 | [vb pp] back [art] [adj] | 29 |
|
