| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [noun] | 2601447 |
|
| 2 | happened [prep] [art] | 811 |
|
| 3 | happened [prep] [noun] | 650 |
|
| 4 | happened [art] [noun] | 38 |
|
