| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [adj] [noun] | 281 |
|
| 2 | had happen [adj] [noun] | 39 |
|
| 3 | it happen [adj] [noun] | 36 |
|
| 4 | it had happen [adj] | 12 |
|
