| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had been [prep] | 328 |
|
| 2 | it had been [prep] | 328 |
|
| 3 | it [verb] been for | 83 |
|
| 4 | it have been for | 83 |
|
| 5 | [pron] had been for | 81 |
|
| 6 | [pers pn] had been for | 72 |
|
| 7 | it had be for | 40 |
|
| 8 | it had [been] for | 40 |
|
| 9 | it had [be] for | 40 |
|
| 10 | it had been for | 40 |
|
| 11 | it [vb past] been for | 40 |
|
| 12 | it had been for | 40 |
|
