| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [adj] for | 183 |
|
| 2 | [subord] it is [adj] for | 175 |
|
| 3 | [conj] it is difficult for | 44 |
|
| 4 | [subord] it is difficult [prep] | 20 |
|
| 5 | [subord] it [be] difficult for | 18 |
|
| 6 | [subord] it be difficult for | 18 |
|
| 7 | [subord] it [is] difficult for | 15 |
|
| 8 | [subord] it is difficult for | 13 |
|
| 9 | [subord] [pron] is difficult for | 13 |
|
| 10 | [subord] [pers pn] is difficult for | 13 |
|
| 11 | [subord] it is difficult for | 13 |
|
