| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] difficult [verb] [prep] | 88 |
|
| 2 | it is [adv] [adj] [verb] for | 56 |
|
| 3 | it is [adv] [adj] [verb] for | 48 |
|
| 4 | it be [adv] difficult [verb] for | 7 |
|
| 5 | it [is] [adv] difficult [verb] for | 7 |
|
| 6 | it [be] [adv] difficult [verb] for | 7 |
|
| 7 | [pron] is [adv] difficult [verb] for | 6 |
|
| 8 | it is [adv] difficult [verb] for | 6 |
|
| 9 | it is [adv] difficult [verb] for | 6 |
|
| 10 | [pers pn] is [adv] difficult [verb] for | 6 |
|
