| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been work at | 12 |
|
| 2 | [noun prp] had been work at | 9 |
|
| 3 | [pers pn] had been work at | 6 |
|
| 4 | [pron] had been work at | 6 |
|
| 5 | had been work at [noun] | 7 |
|
| 6 | had been work at [art] | 6 |
|
| 7 | had been work at [art] | 6 |
|
| 8 | had been work at the | 5 |
|
| 9 | had been work at the | 5 |
|
