| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] for any [noun] | 419 |
|
| 2 | [adj] for any [noun] | 390 |
|
| 3 | difficult for [adj] [noun] | 149 |
|
| 4 | difficult for [det] [noun] | 48 |
|
| 5 | difficult [prep] any [noun] | 17 |
|
| 6 | difficult [prep] any [noun] | 17 |
|
| 7 | difficult for any [noun] | 15 |
|
| 8 | difficult for any [noun] | 15 |
|
| 9 | difficult for any [noun] | 15 |
|
