| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [art] [noun sg] | 6727 |
|
| 2 | happen [prep] [art] [noun sg] | 1660 |
|
| 3 | happen [adv] [art] [noun sg] | 21 |
|
| 4 | happen [prep] [adv] [art] | 9 |
|
