| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [noun] [verb] | 147487 |
|
| 2 | back [prep] [art] [noun] | 12678 |
|
| 3 | back [prep] [noun] [verb] | 390 |
|
| 4 | back [art] [noun] [verb] | 75 |
|
| 5 | back [prep] [art] [verb] | 6 |
|
