| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [adj] for | 152 |
|
| 2 | [conj] it is difficult for | 44 |
|
| 3 | [coord] it is difficult [prep] | 26 |
|
| 4 | [coord] it [be] difficult for | 20 |
|
| 5 | [coord] it be difficult for | 20 |
|
| 6 | [coord] it [is] difficult for | 15 |
|
| 7 | [coord] [pers pn] is difficult for | 15 |
|
| 8 | [coord] [pron] is difficult for | 15 |
|
| 9 | [coord] it is difficult for | 15 |
|
