| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [verb] [pron] [prep] the | 664 |
|
| 2 | difficulty [prep] [verb] [pron] [prep] [art] | 15 |
|
| 3 | difficulty [prep] [verb] [pron] [prep] the | 10 |
|
| 4 | difficulty [prep] [verb] [pron] [prep] the | 10 |
|
