| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be [adj] for [pron] | 1625 |
|
| 2 | [pron] be difficult for [pron] | 103 |
|
| 3 | [pers pn] be difficult [prep] [pron] | 102 |
|
| 4 | [pers pn] [be] difficult for [pron] | 101 |
|
