| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work for a while [prep] | 8 |
|
| 2 | work for [art] while [prep] | 8 |
|
| 3 | work for a while [prep] | 8 |
|
| 4 | work for [art] while in | 6 |
|
| 5 | worked for [art] while [prep] | 5 |
|
