| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [pron] [adv] happen | 8 |
|
| 2 | 's [Wh det] [adv] happen | 8 |
|
| 3 | 's what [adv] happen | 8 |
|
| 4 | 's what [adv] happen | 8 |
|
| 5 | 's [pron] [adv] happens | 7 |
|
