| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been working on | 25 |
|
| 2 | [pers pn] had been working on | 20 |
|
| 3 | [noun] had been working on | 17 |
|
| 4 | he had been working on | 11 |
|
| 5 | he had been working on | 11 |
|
| 6 | [noun sg] had been working on | 10 |
|
| 7 | [noun prp] had been working on | 5 |
|
| 8 | had [adv] been working on | 5 |
|
| 9 | had been working on [art] | 21 |
|
| 10 | had been working on [art] | 21 |
|
| 11 | had been working on the | 14 |
|
| 12 | had been working on the | 14 |
|
| 13 | had been working on [noun] | 9 |
|
| 14 | had been working on [pron] | 9 |
|
| 15 | had been working on a | 7 |
|
| 16 | had been working on a | 7 |
|
| 17 | had been working on [pers pn] | 6 |
|
| 18 | had been working on [adj] | 6 |
|
