| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been working [prep] [noun] | 39 |
|
| 2 | had been working [prep] [noun prp] | 21 |
|
| 3 | had been working in [noun] | 13 |
|
| 4 | had been working in [noun] | 13 |
|
| 5 | had been working [prep] [noun sg] | 12 |
|
| 6 | had been working on [noun] | 9 |
|
| 7 | had been working on [noun] | 9 |
|
| 8 | had been working at [noun] | 7 |
|
| 9 | had been working at [noun] | 7 |
|
| 10 | had been working with [noun] | 5 |
|
| 11 | had been working with [noun] | 5 |
|
