| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had [been] [v-ing] [det] | 109 |
|
| 2 | [pron] had [been] [v-ing] at | 74 |
|
| 3 | [pron] had [been] at [det] | 8 |
|
| 4 | had [been] [v-ing] at [det] | 7 |
|
