| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [adv] [Wh det] happened | 5 |
|
| 2 | i [adv] [Wh det] happen | 5 |
|
| 3 | me [adv] [Wh det] happen | 5 |
|
| 4 | i [adv] what happen | 5 |
|
