| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] [pron] | 310 |
|
| 2 | that had been [v-ing] [prep] | 57 |
|
| 3 | that had been [v-ing] [pron] | 24 |
|
| 4 | that had been [prep] [pron] | 11 |
|
