| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had [been] [v-ing] [prep] | 1015 |
|
| 2 | [verb] [pron] had [been] [v-ing] | 146 |
|
| 3 | [verb] [pron] [been] [v-ing] [prep] | 125 |
|
| 4 | [verb] [pron] had [been] [prep] | 66 |
|
| 5 | [verb] had [been] [v-ing] [prep] | 6 |
|
