| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adj] [verb] [noun] | 593 |
|
| 2 | it [adj] [verb] [noun] | 462 |
|
| 3 | it difficult [verb] [noun] | 119 |
|
| 4 | [pron] difficult [verb] [noun] | 119 |
|
| 5 | [pers pn] difficult [verb] [noun] | 119 |
|
| 6 | it difficult [verb] [noun] | 119 |
|
