| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] [prep] [pers pn] | 142 |
|
| 2 | [conj] had been [v-ing] [prep] | 80 |
|
| 3 | [conj] had been [v-ing] [pers pn] | 26 |
|
| 4 | [conj] had been [prep] [pers pn] | 10 |
|
