| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it difficult [verb] [conj] | 79 |
|
| 2 | it [adj] [verb] and | 72 |
|
| 3 | it [adj] [verb] and | 50 |
|
| 4 | it difficult [verb] [coord] | 21 |
|
| 5 | [pron] difficult [verb] and | 14 |
|
| 6 | it difficult [verb] and | 13 |
|
| 7 | it difficult [verb] and | 13 |
|
| 8 | it difficult [verb] and | 13 |
|
| 9 | [pers pn] difficult [verb] and | 13 |
|
