| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adj] enough [to-vb] | 26 |
|
| 2 | it difficult [adv] [to-vb] | 9 |
|
| 3 | it hard [adv] [to-vb] | 7 |
|
| 4 | it necessary [adv] [to-vb] | 7 |
|
| 5 | it [adj] even [to-vb] | 6 |
|
