| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] difficult for any | 7 |
|
| 2 | [be] [adv] difficult for any | 7 |
|
| 3 | [adv] difficult for any [noun] | 10 |
|
| 4 | [adv] difficult for any [noun sg] | 9 |
|
