| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen on | 143 |
|
| 2 | [Wh det] happen on | 98 |
|
| 3 | [pron] happened on | 97 |
|
| 4 | what happen on | 77 |
|
| 5 | what happen on | 77 |
|
| 6 | [pers pn] happen on | 38 |
|
| 7 | it happen on | 34 |
|
| 8 | [pron] happens on | 34 |
|
| 9 | it happen on | 34 |
|
| 10 | which happen on | 12 |
|
| 11 | which happen on | 12 |
|
| 12 | whatever happen on | 9 |
|
| 13 | whatever happen on | 9 |
|
| 14 | [indef pn] happen on | 7 |
|
| 15 | [pron] happening on | 6 |
|
