| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] | 24755 |
|
| 2 | [verb] [prep] [num ord] | 4800 |
|
| 3 | back [prep] [num ord] | 105 |
|
| 4 | [verb] back [num ord] | 68 |
|
