| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen at a [adj] | 16 |
|
| 2 | have happen at [adj] | 16 |
|
| 3 | have happen a [adj] | 14 |
|
| 4 | have happen at a | 10 |
|
| 5 | have at a [adj] | 9 |
|
