| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] the [noun] | 11633 |
|
| 2 | [prep] the [noun] [num ord] | 2141 |
|
| 3 | back [prep] the [num ord] | 357 |
|
| 4 | back [prep] [noun] [num ord] | 46 |
|
