| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been [verb] on | 30 |
|
| 2 | he had been [v-ing] on | 16 |
|
| 3 | [pers pn] had been working on | 14 |
|
| 4 | [pron] had been working on | 14 |
|
| 5 | he had been working [adv] | 10 |
|
| 6 | he have been working on | 8 |
|
| 7 | he [verb] been working on | 8 |
|
| 8 | he [vb past] been working on | 7 |
|
| 9 | he had been working [adv prt] | 7 |
|
| 10 | he had [be] working on | 6 |
|
| 11 | he had been working on | 6 |
|
| 12 | he had [been] working on | 6 |
|
| 13 | he had be working on | 6 |
|
| 14 | he had been working on | 6 |
|
| 15 | he had been work on | 6 |
|
