| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] [noun pl] | 84191 |
|
| 2 | back [prep] [num] | 1142 |
|
| 3 | back [prep] [noun pl] | 574 |
|
| 4 | back [num] [noun pl] | 187 |
|
