| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been [v-ing] on | 35 |
|
| 2 | [pers pn] had been working on | 20 |
|
| 3 | she had been [v-ing] on | 14 |
|
| 4 | they had been [v-ing] on | 10 |
|
| 5 | [pers pn] had been sitting on | 7 |
|
| 6 | i had been [v-ing] on | 7 |
|
| 7 | it had been [v-ing] on | 6 |
|
