| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] had been | 416 |
|
| 2 | [v-ing] [verb] been | 77 |
|
| 3 | [v-ing] have been | 76 |
|
| 4 | [v-ing] [vb past] been | 36 |
|
| 5 | [v-ing] had be | 36 |
|
| 6 | [v-ing] had [been] | 36 |
|
| 7 | [v-ing] had [be] | 36 |
|
