| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | any [noun] [prep] | 23676 |
|
| 2 | any [noun pl] [prep] | 3792 |
|
| 3 | [adj] difficulties [prep] | 719 |
|
| 4 | [det] difficulties [prep] | 130 |
|
| 5 | any difficulty [prep] | 68 |
|
| 6 | any difficulties [prep] | 27 |
|
