| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adj] [prep] [pron] [to-vb] [prep] | 39 |
|
| 2 | it [adj] [prep] [pron] [to-vb] [prep] | 33 |
|
| 3 | it difficult [prep] [pron] [to-vb] [prep] | 7 |
|
| 4 | [pers pn] difficult [prep] [pron] [to-vb] [prep] | 7 |
|
| 5 | [pron] difficult [prep] [pron] [to-vb] [prep] | 7 |
|
| 6 | it difficult [prep] [pron] [to-vb] [prep] | 7 |
|
| 7 | it difficult [prep] [pron] [to-vb] [prep] | 7 |
|
| 8 | it difficult [prep] [pron] [verb] [prep] | 7 |
|
