| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [verb] [prep] | 5129 |
|
| 2 | this [vb past] [prep] | 1497 |
|
| 3 | this happen [prep] | 215 |
|
| 4 | [adj] happened [prep] | 208 |
|
| 5 | [det] happened [prep] | 170 |
|
| 6 | this happened [prep] | 102 |
|
