| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] [adj] [noun] | 4057 |
|
| 2 | happen [prep] [adj] [noun] | 822 |
|
| 3 | it happen [prep] [noun] | 90 |
|
| 4 | it happen [prep] [adj] | 69 |
|
| 5 | it happen [adj] [noun] | 36 |
|
