| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be working [prep] [art] time | 11 |
|
| 2 | be working [prep] the time | 10 |
|
| 3 | be working at [art] time | 9 |
|
| 4 | be working at [art] time | 9 |
|
| 5 | was working [prep] [art] time | 8 |
|
