| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] for the | 485 |
|
| 2 | it is [adj] for the | 460 |
|
| 3 | it is difficult for [art] | 31 |
|
| 4 | it be difficult for the | 29 |
|
| 5 | it [be] difficult for the | 29 |
|
| 6 | it is difficult [prep] the | 23 |
|
| 7 | [pers pn] is difficult for the | 19 |
|
| 8 | it [is] difficult for the | 19 |
|
| 9 | [pron] is difficult for the | 19 |
|
| 10 | it is difficult for the | 19 |
|
| 11 | it is difficult for the | 19 |
|
