| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been hold at | 36 |
|
| 2 | have be held at | 36 |
|
| 3 | has be hold at | 10 |
|
| 4 | had be hold at | 10 |
|
| 5 | have be hold at | 9 |
|
