| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] it is [adv] | 246 |
|
| 2 | difficult it be [adv] | 8 |
|
| 3 | difficult it [is] [adv] | 8 |
|
| 4 | difficult it [be] [adv] | 8 |
|
| 5 | difficult [pron] is [adv] | 7 |
|
| 6 | difficult it is [adv] | 6 |
|
| 7 | difficult [pers pn] is [adv] | 6 |
|
| 8 | difficult it is [adv] | 6 |
|
