| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [prep] [art] [adv] [adj] things | 109 |
|
| 2 | [num] [prep] [art] [adv] difficult [noun] | 68 |
|
| 3 | [num] [prep] [art] [adv] difficult [noun pl] | 61 |
|
| 4 | [num] [prep] [art] [adv] difficult things | 13 |
|
| 5 | [num] [prep] [art] [adv] difficult thing | 13 |
|
| 6 | [adj] [prep] [art] [adv] difficult things | 13 |
|
