| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | working [prep] [art] | 4228 |
|
| 2 | working [prep] [art] | 4228 |
|
| 3 | [verb] behind [art] | 1764 |
|
| 4 | [v-ing] behind [art] | 359 |
|
| 5 | work behind [art] | 24 |
|
| 6 | working behind [art] | 8 |
|
| 7 | working behind [art] | 8 |
|
