| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [to-vb] [adj] [noun pl] | 4922 |
|
| 2 | [adj] [to-vb] [adj] [noun pl] | 4395 |
|
| 3 | difficult [to-vb] [adj] [noun] | 456 |
|
| 4 | difficult [verb] [adj] [noun pl] | 216 |
|
| 5 | difficult [to-vb] [adj] [noun pl] | 214 |
|
