| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of staff [prep] [art] time | 5 |
|
| 2 | of staff [prep] [art] time | 5 |
|
| 3 | of staff [prep] the time | 5 |
|
| 4 | of staff [prep] [art] time | 5 |
|
