| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been working [prep] | 55 |
|
| 2 | [noun prp] had been working [prep] | 33 |
|
| 3 | [noun] had been working on | 17 |
|
| 4 | [noun] had been working on | 17 |
|
| 5 | [noun sg] had been working [prep] | 14 |
|
| 6 | [noun] had been working at | 12 |
|
| 7 | [noun] had been working at | 12 |
|
| 8 | [noun] had been working in | 10 |
|
| 9 | [noun] had been working in | 10 |
|
| 10 | [noun pl] had been working [prep] | 8 |
|
| 11 | [noun] had been working for | 6 |
|
| 12 | [noun] had been working for | 6 |
|
