| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [vb past] [pers pn] difficult | 37 |
|
| 2 | [adj] [noun sg] [vb past] [pers pn] difficult | 20 |
|
| 3 | [adj] [noun pl] [vb past] [pers pn] difficult | 16 |
|
| 4 | [adj] [adv] [vb past] [pers pn] difficult | 5 |
|
| 5 | [adj] [adv] [vb past] [pers pn] difficult | 5 |
|
| 6 | [adj] [vb past] [pers pn] [adv] difficult | 6 |
|
| 7 | [adj] [vb past] [pers pn] [adv] difficult | 6 |
|
| 8 | [adj] [vb past] [pers pn] difficult [to-vb] | 6 |
|
| 9 | [adj] [vb past] [pers pn] difficult [verb] | 6 |
|
