| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [conj] [prep] | 116 |
|
| 2 | been [verb] [conj] [v-ing] [prep] | 106 |
|
| 3 | had been [verb] [conj] [v-ing] | 76 |
|
| 4 | had been [verb] [v-ing] [prep] | 61 |
|
| 5 | had [verb] [conj] [v-ing] [prep] | 24 |
|
