| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had worked in the [noun] | 34 |
|
| 2 | had work in the [noun sg] | 25 |
|
| 3 | had work in the [noun pl] | 6 |
|
| 4 | had work in the [noun prp] | 5 |
|
