| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [adv] happen in | 10 |
|
| 2 | [prep] [Wh det] [adv] happen in | 10 |
|
| 3 | [prep] what [adv] happen in | 10 |
|
| 4 | [prep] what [adv] happen in | 10 |
|
| 5 | [prep] [pron] [adv] happen in | 10 |
|
| 6 | [prep] [pron] [adv] happens in | 8 |
|
| 7 | [prep] [pron] actually happen in | 7 |
|
