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