| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] [adj] | 3466 |
|
| 2 | [prep] [art] [adj] days | 2654 |
|
| 3 | back [prep] [art] days | 82 |
|
| 4 | back [prep] [adj] days | 40 |
|
| 5 | back [art] [adj] days | 6 |
|
