| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] had been [v-ing] to | 5 |
|
| 2 | [verb] [pron] had [been] [v-ing] to | 5 |
|
| 3 | [verb] [pron] had be [v-ing] to | 5 |
|
