| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [pron] [adj] | 9817 |
|
| 2 | [noun] [vb past] [pron] [adj] | 5611 |
|
| 3 | [noun] [verb] [pron] difficult | 355 |
|
| 4 | [noun] [vb past] [pron] difficult | 143 |
|
