| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been | 25566 |
|
| 2 | it [verb] been | 11714 |
|
| 3 | it have been | 11705 |
|
| 4 | it [vb past] been | 4245 |
|
| 5 | it had [be] | 4206 |
|
| 6 | it had be | 4206 |
|
| 7 | it had [been] | 4201 |
|
