| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] work at [art] time | 8 |
|
| 2 | [was/were] work at the time | 8 |
|
| 3 | [was/were] work at [art] time | 8 |
|
| 4 | [was/were] working at [art] time | 8 |
|
| 5 | was work at [art] time | 6 |
|
