| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [v-ing] [prep] | 702 |
|
| 2 | and [noun] had been [v-ing] | 78 |
|
| 3 | and [noun] had been [prep] | 49 |
|
| 4 | and had been [v-ing] [prep] | 19 |
|
