| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] [noun] | 1283588 |
|
| 2 | back [prep] [noun] | 10787 |
|
| 3 | back [prep] [adj] | 3886 |
|
| 4 | back [adj] [noun] | 848 |
|
