| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] has happen be | 7 |
|
| 2 | [adj] has happen is | 7 |
|
| 3 | [adj] has happened be | 7 |
|
| 4 | that has happen be | 5 |
|
| 5 | that has happen be | 5 |
|
