| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] be [adj] | 273 |
|
| 2 | happen [prep] be [adj] | 146 |
|
| 3 | it happen [prep] be | 77 |
|
| 4 | it happen [prep] [adj] | 15 |
|
