| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj] [noun] | 750151 |
|
| 2 | back [prep] [art] [noun] | 12678 |
|
| 3 | back [prep] [art] [adj] | 2619 |
|
| 4 | back [prep] [adj] [noun] | 1016 |
|
| 5 | back [art] [adj] [noun] | 386 |
|
