| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been held [prep] the | 53 |
|
| 2 | had be held [prep] the | 19 |
|
| 3 | have be held by the | 14 |
|
| 4 | has be held [prep] the | 13 |
|
| 5 | have be held [prep] the | 12 |
|
| 6 | have be held at the | 9 |
|
| 7 | have be held in the | 8 |
|
| 8 | have be held for the | 5 |
|
