| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adj] [verb] that [noun] | 32 |
|
| 2 | it difficult [verb] [conj] [noun] | 10 |
|
| 3 | it difficult [verb] [that] [noun] | 7 |
|
| 4 | [pron] difficult [verb] that [noun] | 7 |
|
| 5 | it difficult [verb] that [noun] | 7 |
|
