| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had been [v-ing] on | 32 |
|
| 2 | [pron] had been going on | 28 |
|
| 3 | [Wh det] had been [v-ing] on | 22 |
|
| 4 | he had been [v-ing] on | 16 |
|
| 5 | he had been [v-ing] on | 16 |
|
| 6 | [pron] had been working on | 14 |
|
| 7 | what had been [v-ing] on | 12 |
|
| 8 | what had been [v-ing] on | 12 |
|
| 9 | which had been [v-ing] on | 10 |
|
| 10 | which had been [v-ing] on | 10 |
|
| 11 | she had been [v-ing] on | 9 |
|
| 12 | she had been [v-ing] on | 9 |
|
| 13 | [pron] had been sitting on | 5 |
|
