| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen that [prep] | 21 |
|
| 2 | happen [that] [prep] | 21 |
|
| 3 | happened [that] [prep] | 10 |
|
| 4 | happens [that] [prep] | 8 |
|
| 5 | happen [that] in | 6 |
|
| 6 | happen [that] on | 6 |
|
| 7 | happen [that] in | 6 |
|
| 8 | happen [that] on | 6 |
|
