| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been [verb] | 2021 |
|
| 2 | which had been [vb pp] | 1857 |
|
| 3 | [pron] had been held | 67 |
|
| 4 | which [verb] been held | 27 |
|
| 5 | which have been held | 27 |
|
| 6 | which had been hold | 18 |
|
| 7 | which [vb past] been held | 17 |
|
| 8 | which had [be] held | 17 |
|
| 9 | which had be held | 17 |
|
| 10 | which had [been] held | 17 |
|
