| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] [noun] [prep] | 2700 |
|
| 2 | [prep] [art] [noun pl] [noun] [prep] | 1752 |
|
| 3 | back [prep] [art] [noun pl] [prep] | 356 |
|
| 4 | back [prep] [art] [noun pl] [noun] | 35 |
|
| 5 | back [prep] [noun pl] [noun] [prep] | 5 |
|
