| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what happen [is] that | 42 |
|
| 2 | what happen [adv] [is] | 16 |
|
| 3 | happen [adv] [is] that | 13 |
|
| 4 | what happen [adv] that | 6 |
|
