| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been held | 659 |
|
| 2 | had [been] held | 249 |
|
| 3 | has [been] held | 214 |
|
| 4 | have [been] held | 107 |
|
| 5 | have [been] held | 39 |
|
| 6 | to have [been] held | 27 |
|
| 7 | 's [been] held | 8 |
|
| 8 | having [been] held | 8 |
|
| 9 | 'd [been] held | 5 |
|
