| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it is [adj] for | 88 |
|
| 2 | [conj] it is difficult for | 44 |
|
| 3 | and it is difficult [prep] | 17 |
|
| 4 | and it be difficult for | 15 |
|
| 5 | and it [be] difficult for | 15 |
|
| 6 | and it [is] difficult for | 11 |
|
| 7 | and [pron] is difficult for | 11 |
|
| 8 | and it is difficult for | 11 |
|
| 9 | and [pers pn] is difficult for | 11 |
|
