| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happens [is] this | 7 |
|
| 2 | what happens [is] this | 7 |
|
| 3 | [Wh det] happens [is] this | 7 |
|
| 4 | what happens [is] this | 7 |
|
