| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] it be for [pron] | 49 |
|
| 2 | difficult it [be] for [pron] | 10 |
|
| 3 | difficult it be [prep] [pron] | 10 |
|
| 4 | difficult [pron] be for [pron] | 10 |
|
