| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult it is [to-vb] | 61 |
|
| 2 | more [adj] it is [to-vb] | 39 |
|
| 3 | more difficult it is [verb] | 19 |
|
| 4 | more difficult it be [to-vb] | 18 |
|
| 5 | more difficult it is [to-vb] | 18 |
|
| 6 | more difficult it [be] [to-vb] | 18 |
|
| 7 | more difficult [pron] is [to-vb] | 18 |
|
| 8 | more difficult [pers pn] is [to-vb] | 18 |
|
| 9 | more difficult it [is] [to-vb] | 18 |
|
