| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] happen [is] that | 5 |
|
| 2 | [be] [adv] happen is that | 5 |
|
| 3 | [be] [adv] happening [is] that | 5 |
|
| 4 | be [adv] happen [is] that | 5 |
|
