| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] happen is that | 14 |
|
| 2 | [verb] happened be that | 9 |
|
| 3 | [vb -s] happen be that | 9 |
|
| 4 | have happen be that | 9 |
|
| 5 | [verb] to happen be that | 7 |
|
