| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [adv] happen [prep] [noun sg] | 10 |
|
| 2 | what [adv] happen in [noun] | 10 |
|
| 3 | [pron] [adv] happen in [noun sg] | 10 |
|
| 4 | what [adv] happen in [noun sg] | 7 |
|
| 5 | what [adv] [verb] in [noun sg] | 7 |
|
| 6 | [Wh det] [adv] happen in [noun sg] | 7 |
|
| 7 | what [adv] happen in [noun sg] | 7 |
|
