| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been [v-ing] [prep] | 310 |
|
| 2 | [conj] he had been [v-ing] | 279 |
|
| 3 | [conj] he had been [prep] | 171 |
|
| 4 | [conj] had been [v-ing] [prep] | 80 |
|
