| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] not [vb pp] to work | 5 |
|
| 2 | had not [vb pp] to work | 5 |
|
| 3 | have not [vb pp] to work | 5 |
|
| 4 | [verb] not returned to work | 5 |
|
