| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [pron] be for [noun pl] | 29 |
|
| 2 | difficult [pron] be for [noun] | 13 |
|
| 3 | difficult [pron] [be] for [noun pl] | 9 |
|
| 4 | difficult [pron] be [prep] [noun pl] | 9 |
|
