| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] [be] [adj] | 347 |
|
| 2 | happened [prep] [be] [adj] | 54 |
|
| 3 | it happened [prep] [be] | 28 |
|
| 4 | it happened [prep] [adj] | 23 |
|
