| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] what happen [prep] | 130 |
|
| 2 | [verb] what is happen [prep] | 95 |
|
| 3 | [adv] [verb] what is [prep] | 42 |
|
| 4 | [adv] [verb] what is happen | 29 |
|
| 5 | [adv] what is happen [prep] | 15 |
|
