| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [adj] for them | 246 |
|
| 2 | [pron] be difficult for [pron] | 103 |
|
| 3 | [pron] be difficult for [pers pn] | 90 |
|
| 4 | [pron] [be] difficult for them | 17 |
|
| 5 | [pron] be difficult for they | 17 |
|
| 6 | [pron] be difficult [prep] them | 17 |
|
