| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num ord] [noun] | 63570 |
|
| 2 | back [prep] [art] [noun] | 12678 |
|
| 3 | back [prep] [art] [num ord] | 374 |
|
| 4 | back [prep] [num ord] [noun] | 70 |
|
| 5 | back [art] [num ord] [noun] | 52 |
|
