| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been [verb] [prep] | 1588 |
|
| 2 | to have been [vb pp] [prep] | 1532 |
|
| 3 | have been held [prep] | 334 |
|
| 4 | [verb] been held [prep] | 334 |
|
| 5 | to have [be] held [prep] | 20 |
|
| 6 | to have [been] held [prep] | 20 |
|
| 7 | [to-vb] been held [prep] | 20 |
|
| 8 | to have been hold [prep] | 20 |
|
| 9 | to have be held [prep] | 20 |
|
| 10 | to have been held [prep] | 20 |
|
