| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | happen is that | 173 |
|
| 2 | happens [is] that | 58 |
|
| 3 | happened [is] that | 35 |
|
| 4 | happening [is] that | 29 |
|
| 5 | happen [is] that | 24 |
|
| 6 | to happen [is] that | 14 |
|
| 7 | happened [is] that | 12 |
|
