| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | more [adj] it is | 149 |
|
| 2 | [adv] difficult it is | 104 |
|
| 3 | more difficult [pron] is | 24 |
|
| 4 | more difficult it [is] | 23 |
|
| 5 | more difficult it [be] | 23 |
|
| 6 | more difficult [pers pn] is | 23 |
|
| 7 | more difficult it be | 23 |
|
| 8 | more difficult it is | 23 |
|
