| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [adv] happen in [noun] | 10 |
|
| 2 | what [adv] happen in [noun sg] | 7 |
|
| 3 | what actually happen in [noun] | 7 |
|
| 4 | what [adv] happens in [noun] | 6 |
|
